The two main divisions of the human nervous system are ……. and central nervous system.
(A) Enteric nervous system.
(B) Somatic nervous system.
(C) Peripheral nervous system
(D) Parasympathetic division
(E) Sympathetic division

Answers

Answer 1

The two main divisions of the human nervous system are Peripheral nervous system and central nervous system.

What is peripheral nervous system ?One of the two parts that make up the nervous system of bilateral animals is the peripheral nervous system; the other part is the central nervous system. Outside of the brain and spinal cord, the PNS is made up of nerves and ganglia.Your brain and spinal cord are inside your body, but peripheral nerves are not. Your brain and the rest of your body communicate with each other through them. There are two primary sections that make up the peripheral nervous system: ANS: autonomic nervous system regulates glands and involuntary bodily processes.The somatic nervous system, which also includes the sensory nervous system and the somatosensory system, is made up of many nerves that serve both the somatic and sensory purposes.Somatosensory information is carried via cranial nerves in the head and neck. With a few exceptions, the twelve cranial nerves, ten of which come from the brainstem, mostly regulate the functions of the head's anatomical structures.

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Related Questions

Dakota lives in New Orleans. He knows that scientists have predicted some changes on Earth due to global warming, and he is concerned this will affect his city.
What effects are scientists concerned about in relation to global warming? Choose two

A. increase in melting of sea ice B. decreasing sea levels C. decreases in temperatures

Answers

Increasing sea levels. Global warming is included in the expression" climate change" but it also refers to a wider diapason of planetary marvels. These include changes in flower/ factory blooming seasons, abating mountain glaciers, accelerated ice melt in Greenland, Antarctica, and the Arctic, and rising ocean situations.

What about global warming?Environmental changes brought on by global warming may have a negative influence on mortal health.Also, it can affect an increase in ocean position, which poses a trouble to biodiversity, a change in rush patterns, an increase in the liability of famines and cataracts, and the loss of littoral land.Storms, heat swells, cataracts, and famines are just a many of the disasters that are getting worse as a result of rising temperatures.Warmer temperatures produce an atmosphere that can hold onto, release, and gather further water.This alters rainfall patterns similar to wet areas get wetter and dry bones get drier.Temperature increases, water restrictions, increased fire peril, failure, factory and nonentity irruptions, severe storm damage, and swab irruption are just a many of the ways that global warming impacts ecosystems.Mortal health is formerly being impacted by climate change.Life is at stake when rainfall and climatic trends change.One of the most murderous meteorological marvels is heat.Hurricanes are getting more violent and wet as ocean temperatures increase, which can affect both direct and circular losses.

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A certain species of mouse can have long tails or short tails.
More male mice have the allele for long tails. More female mice have the allele for short tails.
Which type of inheritance is this an example of?
O recessive inheritance
O incomplete dominance
O codominance
O sex-linked inheritance

Answers

The type of inheritance here is gender linked. The correct option is D.

What is inheritance?

Inheritance is the transmission of traits or information from one generation of individuals or cells to the next.

Inheritance can occur through one of two mechanisms: genetic inheritance or epigenetic inheritance.

Mendelian inheritance is a type of gender-linked inheritance. The term refers to traits that are inherited through either the X or Y chromosome.  

For X-linked recessive X-Linked Recessive Duchenne Muscular Dystrophy transmission, the allele.

Thus, the correct option is D.

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when looking at nature reserve design, which is the best-case scenario for preserving biodiversity with a number of small reserves?

Answers

The best case scenario for maintaining biodiversity when there are many tiny reserves is when they are grouped and connected by corridors.

What is an illustration of biodiversity?

The majority of people see biodiversity as a collection of distinct living things that are capable of breeding with one another. Examples of species include white-tailed deer, white pine trees, sunflowers, blue whales, miniscule microbes that cannot even be seen with the human eye, and white-tailed deer.

How is biodiversity produced?

Temperature, altitude, precipitation, soils, and their interactions with other species are only a few of the many elements that affect biodiversity. In comparison to terrestrial diversity, ocean biodiversity is 25 times lower. As one proceeds from the polar regions to the tropics, biodiversity likewise changes form.

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Help I don’t know how to answer the question

Answers

Answer:

The green bonds hold everything together

The small blue circles in the figure just inside the oocyte membrane represent vesicles containing calcium ions that are spilled into the extracellular space to prevent polyspermy. When does this take place?.

Answers

Just before the sperm's head enters the membrane of the egg.

Openings form in the sperm acrosome that expose enzymes that digest a passage through the zona pellucida enclosing the secondary oocyte when a sperm encounters an egg. Changes take place as soon as one sperm enters the secondary oocyte, blocking the entry of other sperm. Typically, the sperm loses its flagellum when it penetrates the egg to fertilise it. The second meiotic division of the secondary oocyte is triggered by sperm entrance. The male pronucleus and the female pronucleus combine to produce the diploid nucleus of the zygote after the head of the haploid sperm swells to form them.

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HELPPPPP PLEASE ANSWER GIVING 20 POINTS FOR ANSWER AND I WILL REPRT IF IT IS SOMETHING THAT HAS NOTHING TO DO WITH THIS
please help with the circle chart in the picture thanks so much

Answers

The cell goes through different stages during its cycle: the interphase, mitosis, and cytokinesis. 14) Option D. G2 phase is to mitochondria as S phase is to DNA. Part 2. 1) b- G1, 2) e- S, 3) f- G2, 4) a- Prophase, 5) d- Metaphase, 6) g- Anaphase, 7) c- Telophase. Cytokinesis occurs after the telophase of mitosis and before the G1 phase of the interphase.

What is the cell cycle?

The cell cycle are all the stages the cell must go through before, during, and after its division.

The cell cycle involves three different stages,

Interphase

During this stage, the cell grows in size, duplicates its cell content, and prepares for division. It is divided into three phases,

G1 phase ⇒ The cell duplicates its size, and the organelles, molecules, and cytoplasmatic structures also double. Some of them are synthesized from zero.

S phase ⇒ DNI replication process occurs. This is the only stage in which the DNI molecule replicates. The synthesis of histones and other associated proteins also occurs.

G2 phase ⇒ DNI molecule slowly begins to condensate. The centrioles duplication process completes. The spindle fibers get assembled.

Cell division: Mitosis

Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced. Mitosis is divided into four phases,

Prophase ⇒ chromosomes condensate, and the nuclear membrane breaks.

Metaphase ⇒ fibers of the spindle apparatus take chromosomes toward the equatorial cell plane, where they line up.

Anaphase ⇒ specialized enzymes break the bonds between chromatids and separate them. Each chromatid migrates to one of the poles.

Telophase ⇒ the new chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.

Cytokinesis

This is the final stage. It involves the invagination of the cell membrane until cytoplasmic division occurs. This event results in two new cells with the exact same content.

After cytokinesis, each of the new cells begins the process again, starting with the interphase.

In the image,

14) G2 phase is to mitochondria as S phase is to DNA. Option D.

Part 2)

1) b- G1

2) e- S

3) f- G2

4) a- Prophase

5) d- Metaphase

6) g- Anaphase

7) c- Telophase

Interphase: 1, 2, and 3Mitosis: 4, 5, 6, 7Cytokinesis: after 7 and before 1.

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Please help me answer this :(

What's the intertropical convergence zone (ITCZ)?

Answers

Answer:

Its a band of low pressure around the Earth which generally lies near to the equator.

Explanation:

What is ITCZ Intertropical Convergence Zone?

The Inter-Tropical Convergence Zone (ITCZ - pronounced "itch") appears as a band of clouds consisting of showers, with occasional thunderstorms, that encircles the globe near the equator.

which type of sprinkler system valve includes a hollow metal post that houses the valve stem and a movable plate with the words open and shut on it?

Answers

The Post Indicator Valve (PIV) type sprinkler system valve has a hollow metal post that houses the valve stem and a movable plate that says "open" and "shut" on it.

Explain about the Post Indicator Valve?

Post indication valves (PIVs) are strong, above-ground access and operator valves used for automatic sprinkler systems and wet standpipe systems whose main water supply valves are buried.

In the case of apartments, a PIV system is often installed inside a wall or the space beneath the roof. It functions by bringing in outside air, filtering it, and then heating the filtered air before dispersing it into any living areas.

The National Fire Protection Association (NFPA) stipulates regulations in NFPA 14: Standard for the Installation of Standpipe and Hose Systems, which specified that each water supply (apart from an FDC) shall be provided with a listed indicating valve in an authorized location.

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a bomb calorimeter can provide a close approximation for the amount of energy that will be produced by the body through the process of metabolism. State True or False your answer:
a. True
b. False

Answers

A bomb calorimeter can provide a close approximation for the amount of energy and this is a true statement.

What is a bomb calorimeter ?

A device with the main function of calculating combustion heats. The reaction occurs in a sealed area known as the calorimeter proper, in controlled thermal contact with its surroundings, the jacket, and at a constant temperature.

It measures the heat of a specific reaction or the calorific value of the fuels using a constant-volume type calorimeter.

Bomb calorimeters are constructed in a way that allows them to survive the intense pressure that the reaction or burning of fuel causes inside the calorimeter.

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Other than social reasons, list any other factors that may lead to clumped distribution patterns in populations.

Answers

Answer:

-good resources there, not much other places

-previous home was disrupted for any number of reasons

-lots of animals are herd animals: they're safer in a pack(not sure if this counts as a social reason)

-organisms that don't move(like plants) likely has offspring that land very close to them, resulting in clumps

Explanation:

Over population or less land to rome

De Roode mentions a risk in using man-made medicine when treating certain pathogens. What is that risk?

Answers

They induce vomiting by eating grass, which is one method that domesticated animals like cats and dogs self-medicate.

How do you induce vomiting in a dog?Among the ways that domestic animals like cats and dogs self-treat are:They eat grass, which causes them to vomit.Using artificial medication to treat certain infections carries the following risk:The pathogen might develop drug resistance.There are two ways that consuming particular types of milkweeds aids monarch butterflies in surviving:They use milkweed plants to aid with egg laying.It aids them in feeding their young.Following are some of the "new" lines of inquiry that the butterfly experiments have revealed:Animals are aware of specific herbs that can heal their sick offspring.The scientific research of Jaap de Roode was groundbreaking since it showed that animals are capable of self-care and can treat some illnesses without human assistance.

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during a fight-or-flight response, epinephrine is released into the body’s circulatory system and transported throughout the body. some cells exhibit a response to the epinephrine while other cells do not. t or f

Answers

The right answer is True , Epinephrine is released into the circulatory system during a fight-or-flight response and is circulated throughout the body. Some cells respond in this way.

Epinephrine uses a particular kind of cell signalling called endocrine signalling. A ductless gland secretes a hormone into the blood directly, which is a form of cell signalling known as endocrine signalling.

Adrenalin, commonly known as epinephrine, is an excitatory neurotransmitter that plays a role in the body's "fight or flight" response and controls several mental processes, including blood pressure, heart rate, and metabolism. One Messenger, Many Reactions is produced from norepinephrine and discharged from the adrenal gland. An essential cell signalling molecule in the fight-or-flight response is epinephrine. Epinephrine, also referred to as adrenaline, is a powerful cells

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how would you design a follow-up experiment to determine whether other proteins in addition to p53 play a regulatory role in cell division after dna damage?

Answers

Any number of answers is appropriate here. They should extend their current research by inserting into other genes.

Students can suggest similar studies in which another gene, typically associated with cancer might be distributed and be in a normal cell.

It may be defective and normal in the cell. are treated differently. Similar experiments should be designed to determine whether other proteins play a regulatory role in cell division after DNA damage. The same procedure is used, but the variables are changed. Instead of using cells with different p53 alleles, use cells with different APC gene alleles. At one level, we test cells that have the APC gene with two genetically mutated alleles. Then, at the other level, we have mutant alleles and normal alleles. Then two normal APC alleles.

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what is cerebrospinal fluid? write down its main function​

Answers

Cerebrospinal fluid (CSF) is a clear, watery fluid that surrounds the brain and spinal cord. It is produced by the choroid plexus, a network of blood vessels found in the ventricles of the brain.

The main function of cerebrospinal fluid is to provide cushioning and support to the brain and spinal cord. It acts as a shock absorber that protects these delicate organs from damage due to mechanical forces, such as sudden movements or impacts.

In addition to providing cushioning, cerebrospinal fluid also helps to maintain the proper chemical balance within the central nervous system. It acts as a medium for the exchange of nutrients, waste products, and signaling molecules between the brain and the rest of the body.

Overall, the main function of cerebrospinal fluid is to protect and support the brain and spinal cord, and to maintain the chemical balance within the central nervous system.

Answer:

Explanation:

clear watery fluid which fills the space between the arachnoid membrane and the pia mater.

Very small changes in the solute concentrations in the various fluid compartments cause water to move from one compartment to another, which alters blood composition and blood pressure. How do the following physiological changes affect blood pressure?.

Answers

a. Decrease water reabsorption : decrease blood pressure.

b. Decrease peripheral resistance : decrease blood pressure

c. Vasodilation : decrease blood pressure

d. Decrease salt intake : decrease blood pressure

e. Decrease blood volume : decrease blood pressure

f. Vasoconstriction : increase blood pressure

g. Increase peripheral resistance:  increase blood pressure

h. Increase salt intake:  increase blood pressure

i. Increase blood volume : increase blood pressure

j. Increase water reabsorption: increase blood pressure

Total peripheral resistance: This term refers to the resistance offered by the vascular system to the blood flow.  This resistance is a result of the friction between the blood and the vessel's walls. In other words, it is the opposition of the vessels to blood flow.

The total peripheral resistance is the summary of all the bloody circuit resistances in the body. Those mechanisms that induce vasoconstriction conduce to an increase in total peripheral resistance, while mechanisms that induce vasodilation provoke a decrease in total peripheral resistance.    

Blood pressure: This term refers to the strength applied by the blood against the vessel walls as it flows.  This pressure is determined by the bombed blood strength and the volume as well as by the vessel size and flexibility. Blood pressure changes continuously according to the activity, temperature, diet, emotional state, among others.    

Salt ingestion causes an increase in plasmatic osmolarity, stimulates thirst, and hence, water ingestion. Sodium retains water, expanding the blood volume and causing an increase in vessel pressure.

The antidiuretic hormone, also known as vasopressin hormone, is released by changes in serum osmolarity or blood volume. Its function is to keep homeostasis and make kidneys conserve or keep water by concentrating urine and by reducing its volume. By these actions, the antidiuretic hormone stimulates water reabsorption, according to the organism´s needs.

Kidneys control blood pressure in many ways. If the pressure is elevated, kidneys produce the loss of salt and water, normalizing arterial pressure. But if pressure is low, kidneys conserve water.  

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Full Question ;

Very small changes in the solute concentrations in the various fluid compartments cause water to move from one compartment to another, which alters blood composition and blood pressure. How do the following physiological changes affect blood pressure?

a. Decrease water reabsorption

b. Decrease peripheral resistance

c. Vasodilation

d. Decrease salt intake

e. Decrease blood volume

f. Vasoconstriction

g. Increase peripheral resistance

h. Increase salt intake

i. Increase blood volume

j. Increase water reabsorption

Which of the following is a simple sugar? A:lactose B:glucose C:lactose D:sucrose

Answers

Answer:

B is the correct answer to your question

Answer:

glucose

Explanation:

Within a cell, the amount of protein made using a given mrna molecule depends partly on.

Answers

The amount of protein produced from a specific M. RNA is influenced by transcription factors as well as the rate of M. RNA degradation.

The polymeric molecule ribonucleic acid (RNA) plays numerous biological roles in the coding, decoding, regulation, and expression of genes. The two types of nucleic acids are RNA and DNA. The four main macromolecules required for all known forms of life are lipids, proteins, carbohydrates, and nucleic acids. The building blocks of RNA are nucleotides, just like DNA, but unlike DNA, RNA exists in nature as a single strand folded onto itself rather than a paired double strand. Using the nitrogenous bases guanine, uracil, adenine, and cytosine, cellular organisms use messenger RNA (mRNA) to transmit genetic information-

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The synthesis of cholesterol is a process that involves over 30 different steps. Which step is the rate-determining step of cholesterol synthesis?.

Answers

The conversion of HMG-CoA to mevalonate by HMG-CoA reductase is the rate determining step of cholesterol synthesis.

HMG-CoA reductase (HMGR) is the target of compounds which are effective in reducing serum cholesterol levels.

The rate-limiting stage of cholesterol production occurs HMG-CoA reductase's conversion of HMG-CoA to mevalonate, which is strictly regulated . Compounds which are efficient at reducing serum cholesterol levels are directed towards HMGR.

Hence, the correct answer is option D.

The question is incomplete. The complete question is:-

The synthesis of cholesterol is a process which includes over 30 distinct steps. Which step is the rate determining step of cholesterol synthesis?

Choose from the options given below:-

(A) Conversion of mevalonic acid into isopentenyl pyrophosphate,

(B) Conversion of squalene into squalene 2,3-epoxide by squalene monooxygenase,

(C) Condensation of two acetyl-CoA molecules to acetoacetyl-CoA by thiolase,

(D) Conversion of HMG-CoA to mevalonate by HMG-CoA reductase.

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Question
Which statement describes the relationship between a gene and an allele?
Responses

A gene can take different forms called alleles.
A gene can take different forms called , alleles, .

Many genes put together are called an allele.
Many genes put together are called an , allele, .

Alleles are similar genes from different species of organisms.
Alleles are similar genes from different species of organisms.

A gene is made of small parts called alleles.

, , A gene is made of small parts called alleles .,

Answers

Answer:

A gene can take different forms called alleles.

Explanation:

An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.

A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.

What are the products that result from photosynthesis and that also serve as the starting materials for cellular respiration?

Answers

Answer: Photosynthesis makes glucose and oxygen, which are then used as the starting products for cellular respiration. Cellular respiration makes carbon dioxide and water (and ATP), which are the starting products (together with sunlight) for photosynthesis.

Explanation:

The genetic instructions from dna in the nucleus is copied and carried to the nucleus in the form of.

Answers

Answer:

Transcription

Explanation:

Transcription is the process in which genetic instructions are copied to form a complementary strand of mRNA. Its role in the central dogma is to carry the genetic instructions for protein synthesis from the nucleus, where the DNA, is located to the cytoplasm, where protein synthesis occurs.

If the nerve to the arm were cut along the line marked X - - - - X, how would this affect the person's movements? Give a reason for your answer.

Central Nervous System question.
Diagram is attached ​

Answers

Give more details pleaseeeeeee

describe how secreted proteins are transported through the endomembrane system, and the sequence of organelles through which proteins pass.

Answers

The majority of proteins are then carried in membrane vesicles to the Golgi apparatus.

How are proteins in secretions moved?

The p24 family of type I transmembrane putative cargo receptors, which are important components of the transport vesicles and continuously recycle between the ER and Golgi with their short, carboxy-terminal cytoplasmic domains acting as ER export or retrieval, may also be used to transport soluble secretory proteins.

How does the endomembrane system transport proteins?

A transport vesicle then carries the protein to the plasma membrane along with its final set of carbohydrate chains. The vesicle and plasma membrane merge, and the cargo of lipids and proteins is incorporated into the plasma membrane.

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Nanami is examining a partial skeleton that was uncovered during a recent excavation project. Nanami noted evidence of advanced decay in the small
bones along the spinal column. From this, what did she conclude?
O A.
OB.
The rest of the bones are probably nearby.
They are likely the bones of a Caucasian female.
O C. They belong to a person who lived hundreds of years ago.
O D. They belong to someone who lived past middle age.

Answers

According to the given statement They belong to a person who lived hundreds of years ago.

What is called skeleton?

The rigid framework that safeguards a living thing's interior organs is called a skeleton. Skeletons can exist within or outside of living things. Humans are animals, hence we have a skeleton consisting of bones. The "body" of a body is comprised of all the bones when they are all connected together.

What is the skeleton constructed of?

206 bones make up an adult human's skeleton. These comprise the ribs, ribcage, arms, and legs in addition to the vertebrae within the spine. Sophisticated bone cells and calcium-fortified connective tissue make up the structure of bones. Most bones also include the brain tissue that produces blood cells.

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Classify the components as most accurately describing cofactors, coenzymes, or neither.

a. Zn2+
b. FAD
c. metel ion
d. CoA

Answers

All the given components i.e., Zn²⁺, FAD, metal ion and CoA are all cofactors. FAD can act as a coenzyme as well.

FAD stands for Flavin Adenine Dinucleotide. It acts as a redox active coenzyme for some metabolic reactions while as a cofactor for  cytochrome-b5 reductase enzyme. There are two forms of FAD: FAD⁺ and FADH₂.

Cofactor is a part of the protein which itself in non-proteinaceous in nature. The role of a cofactor is to act as a catalyst for the enzyme and increase the rate of the chemical reactions it participates in. In simple terms, cofactors are the helper molecules.

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drag the appropriate trnas to the binding sites on the ribosome to show the configuration immediately before a new peptide bond forms. note that one of the binding sites should be left empty.

Answers

The appropriate tRNAs to the binding sites on the ribosome to show the configuration immediately before a new peptide bond forms are:

E box- blankP box-3 purple things with the letters AUA at the bottomA box- one purple thing with the letters UCC

One site binds to a tRNA with the following amino acid sequence. The P site is the site attached to the polypeptide chain. The E site is where the tRNA molecule, which has just lost its charge, exits the ribosome and receives more amino acids.

An initiator tRNA molecule with a methionine amino acid serving as the first amino acid in the polypeptide chain binds to the P-site of the ribosome. The A site aligns with the next codon bound by the anticodon of the next incoming tRNA. The P-site is the second binding site for tRNA on the ribosome. The other two sites are the ribosome's first binding sites.

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a reebop has two antenna, three colored humps, a curly tail, three body segments and an orange nose. what is its genotype

Answers

A Reebop has two antenna, three colored humps, a curly tail, three body segments and an orange nose, then it's genotype is-  AA, mm, TT, dd, Qq.

What is meant by genotype?

Genotype describes an organism's complete set of genes and can be represented by symbols.

The genotype of an organism is the complete set of genetic material and genotype can be used to refer to the alleles or variants an individual carries in a particular gene.

When,  AA= two antennas, mm=  three colored humps , TT- curly tail,

DD = three body segments,  Qq= orange nose

Then genotype will be: AA, mm, TT, dd, Qq.

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what coclusion can be made from these results? does each disinfectant and antiseptic effectively kill or prevent the grwoth of each bacterium?

Answers

Each disinfectant and antiseptic did kill or prevent growth of each bacterium. Although the effectiveness varied.

What is disinfectant and antiseptic ?

In order to control infections, both antiseptics and disinfectants are frequently used. Using substances referred to as biocides, they eliminate microorganisms like bacteria, viruses, and fungi. On nonliving surfaces, disinfectants are used to kill germs. Microbes on your skin are eliminated by antiseptics.

A chemical disinfectant's potency against a specific microbe is tested using the disk-diffusion method. The use-dilution test determines whether a disinfectant is effective at cleaning a surface. Clinical settings can use in-use tests to check the proper application of disinfectant solutions.

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when heart muscle cells are deprived of oxygen, the heart still pumps. what must the heart cells be able to do?

Answers

The heart cells able to continue aerobic metabolism when skeletal muscle cannot. To supply the muscles with extra oxygen and remove the carbon dioxide, the heart rate increases.

Aerobic metabolism:

A biological component known as adenosine triphosphate is used by aerobic metabolism to extract energy from glucose (ATP).

The energy in the human body comes from ATP, and the energy released when ATP molecules are broken up is used for many different biological processes, including the transport of molecules across membranes.

Cellular respiration, aerobic cellular respiration, and aerobic respiration are other names for aerobic metabolism. The human body is not designed to sustain anaerobic respiration for an extended period of time, and doing so would be extremely stressful.

Anaerobic metabolism is another type of metabolism that happens without oxygen.

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Place the events that occur during the effector response of cytotoxic T-lymphocytes in the correct sequence. Exposure to unhealthy or foreign cell Antigen is presented to T-lymphocytes in secondary lymphatic structures Activated cytotoxic T-lymphocyte contacts an infected cell at site of infection Cytotoxic T-lymphocyte releases perforin and granzymes Apoptosis of infected cell Cytotoxic T-lymphocytes migrate to the site of infection

Answers

The proper sequence is antigen given to T lymphocyte, T lymphocyte activation, cytotoxic T cell cloning, and cytotoxic T cell assault of the target cell.

How do T lymphocytes destroy infected cells?In cellular immunity, a killer T cell identifies and kills a virus-infected cell because of the viral antigen on its surface, thus aborting the infection because a virus will not grow within a dead cell.Thus, Cytotoxic T cells kill their targets by programming them to undergo apoptosis.Cytotoxic T cells kill their targets by programming them to undergo apoptosis. When cytotoxic T cells are mixed with target cells and rapidly brought into contact by centrifugation, they can program antigen-specific target cells to die within 5 minutes, although death may take hours to become fully evident.T lymphocytes are the type of immune cells that develop from stem cells in bone marrow and mature and differentiate in thymus.T cells may be either T helper cell (CD8+) or T cytotoxic cells (CD4+).Antibodies are secreted by plasma cells. T cytotoxic cells come in direct contact with infected cell to kill it by secreting the perforins specifically virus infected cells.

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a nurse on a busy medical unit provides care for many clients who require indwelling urinary catheters at some point during their hospital care. the nurse should recognize a heightened risk of injury associated with indwelling catheter use in which client? 25 POINTS!Which of the following is an equation of a line PARALELL to the equation y=-4x+5 A. Y=4x+1B. Y=-4x+1C. Y=1/4x+1D. Y=-1/4x+1Which of the following is an equation of a line PERPENDICULAR to the equation y=-4x+5 A. Y=4x+1B. Y=-4x+1C. Y=1/4x+1D. Y=-1/4x+1 a stream is transporting particle a. the velocity of stream is decreasing, but for the moment, particle a is still moving. however, when the water drops below 50 cm/sec, particle a falls below its fall velocity and is deposited. based on this information, what is the likely particle size for this object? Describe three ways in which your activities affect the environment. What role do H-Marts play in their neighborhoods in relationship to other stores? Mrs. Drake is a 75 y/o widow who lives with her daughter. Although she has enjoyed good health, her medical history includes moderate hearing loss and mild depression. She is an active participant in her religious community, her bridge (card game) and book club. A man who has been exposed to the flu virus is tested by his physician. The physician notes that the virus is present but no measurable level of antibodies corresponding to the virus are detected in his body. What might this mean? Which word in this sentence is a gerund?The police officer arrested the man for speeding in a construction zone.A. arrestedB. speedingC. constructionD. police in the figure to the right, if the economy is at point a, the appropriate monetary policy by the federal reserve would be to 3) A restaurant requires customers to pay a 15% tip for the server. Your family spends$65 on the meal.a) How much money do you need to pay the server? In ethics, our conscience is what tells us whether something is ______. A. Wrong or right b. Expensive or cheap c. Hard or easy d. Simple or difficult please select the best answer from the choices provided. A movie theater has a seating capacity of 283. The theater charges $5 for children, $7 for students, and $12 of adults. There are half as many adults as there are children. If the total ticket sales was $2,042, How many children, students, and adults attended? children attended. students attended. adults attended. 50 points Who do you think did more to spread Christianity-Paul or Constantine? Think about: Pauls travels, the opening of Christianity to the Gentiles, Constantines power as an emperor. at least 1or2 paragraphs appreciate it What event best helps Betty understand how she can make a good impression at school? h2o(s) h2o(l) physical or chemical changel In fruit flies, red eye color (A) is dominant to white eye color (a). If a fly is homozygous dominant for eye color, what pair of alleles does it possess? What rule does Ralph establish at their second meeting? Who is allowed to interrupt someone speaking? How well is Ralph leading? The official international standard for Measurement that has been adopted is called the_____________ system Estimate. Then tell if your estimate is an overestimate or underestimate Someone please help me