One form of oxygen found in blood is dissolved in plasma and RBC water, accounting for about 2% of the total, while the other form, reversibly linked to hemoglobin, accounts for about 98% of the total.
How much oxygen is carried in plasma that is dissolved and bound to hemoglobin?Only 2% of the total oxygen carried by the blood is dissolved in the plasma directly; the majority, about 98%, is linked to hemoglobin. [6] A heme group with iron linked to a polypeptide chain makes up each of the four subunits of the metalloprotein known as hemoglobin.
How much oxygen is transported as a dissolved gas through plasma?In the blood, oxygen is delivered in two different ways: The plasma contains a minor amount of dissolved oxygen (1.5 percent). 98.5 percent of the oxygen carried by the blood is attached to the red blood cell protein hemoglobin.
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The pedigree below shows several generations of a family in which cystic fibrosis runs. A healthy phenotype is dominant (C), and cystic fibrosis is recessive (c). Shaded individuals have cystic fibrosis. Symbols with question marks have unknown genotypes and phenotypes. Individual 5 is heterozygous. Which of the following is true for individual 12?
A. She could have the genotype Cc or cc
B. She could have the genotype Cc, CC, or cc
C. He will have cystic fibrosis since all of her siblings do
D. He will be healthy since all of her siblings have cystic fibrosis
I'm thinking it's A or B bc it's a circle so it's female. But I think the best answer would be B.
Answer:
A
Explanation:
Due to one parent having it and one parent not, and the same with the grandparents, she will be either heterozygous or homozygous recessive.
which structure is highlighted? rev: 07 06 2018 qc cs-130755 multiple choice auricle cochlea vestibule of ear tympanic membrane semicircular ducts
The cochlear nucleus is the starting point of the auditory pathway, which continues through the superior olivary complex.
What are the structures of the ear in order?The outer, middle, and inner ear are the three components that make up the ear. In order to transfer sound from the outside section of the ear through the middle and into the inner part of the ear, all three elements of the ear must operate together.External auditory canal, drum, stapes, incus, malleus, and cochlea are all related terms. Q.The cochlear nucleus is the starting point of the auditory pathway, which continues through the superior olivary complex, inferior colliculus, and medial geniculate nucleus. Each relay nucleus along the route decodes and combines the information before projecting it to the auditory cortex.To learn more about cochlea refer,
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Assuming the oligopeptide alphahelicks forms one continuous α-helix, the carbonyl oxygen of the glutamic acid residue is hydrogen bonded to the amide nitrogen of?
Alpha helix is packed and-this twisting formation is that the amino acide chain-will form a rod . The amino acid methionine , alanine, leucine , glutamate and lysine are form alpha helix.
The alpha helices may range in length from 4 to 40 amino acids but typical alpha helix is about 10 amino acids long. Hydrogen bond between the hydrogen in an amino group and the oxygen in carboxylic group on the amino acid causes this structure.
Alpha helix is characterized by a tight right handed twist in the amino acid chain which causes rod shape. Hydrogen bonds to the backbone of amino acid .It is made of two alpha helices of sequence of amino acids.
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Which might you use to observe the properties of matter
1 resource we need like air
2 anything we see like tree
3 anything we feel like water
4 anything that takes up to space
bronchospasm, airway edema, and increased mucus production in the lower airways best describes the pathophysiology of
Bronchospasm, airway edema, and increased mucus production in the lower airways best describes the pathophysiology of asthma.
the pathophysiology of asthma
Bronchitis and enlarged airways can also result in bronchospasm. Bronchospasm can be brought on by a number of different conditions, although asthma is the most frequent one. These conditions include: infections of the airways or lungs caused by bacteria, viruses, or fungi.
Bronchial thickness, edema, increased mucus production, and bronchoconstriction are all caused by structural and inflammatory changes along the airway wall, which all work together to cause the episodic airflow restriction that is often associated with asthma.
bronchospasm
Breathing might be challenging when you have a bronchospasm because it can prevent air from reaching or leaving your lungs. It can be brought on by some medical disorders, such as asthma, as well as environmental factors, such as toxins or cold air.
The muscles that lining the passageways (bronchi) in the lungs constrict, causing bronchospasm. Your airways narrow as a result of these muscles contracting.
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Male mcdonalds customer physically attacks female cashier, leading to huge physical altercation.
a. true
b. false
The statement is true , physical attack to female cashier by male customer does lead to altercation.
It's difficult to be a fast food customer, and this is not at all meant as a justification of either person. People can place their orders at many places, have the staff repeat them back to them, and the order will still be incorrect. This can make people angry since they can have the allergies or the other sensitivities. There are the employees that are overworked and underpaid in the meantime. As a result, also tensions may occasionally rise to the surface.
McDonald's recently witnessed another challenging circumstance. This time, a customer had a problem with one of staff members. To be clear, the incident's triggers are not shown in this film. But it starts out with employee arguing with the man who appears to be placing the order.
The man reaches over and grabs woman’s shirt. As a result, she also grabs him, and starts defending herself.
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Is the practice of placing species and/or groups of species into the taxonomic hierarchy.
Classification is the method of placing species and/or groups of species into a taxonomic hierarchy.
Classification Used to classify organisms into different categories. This includes descending or ascending category order from Kingdom to Species or vice versa. Domain is the highest rank in the hierarchy, followed by division or kingdom, phylum, class, order, family, genus, and species. Taxonomy is the science of naming, describing, and classifying living things. , all plants, animals, and microorganisms around the world. Taxonomy is the study of classifying organisms such as animals, plants, microbes and humans into different categories for further study and identification. For example, from a different point of view, humans and whales are her two unrelated creatures. However, both are considered mammals and are taxonomically related. A taxonomy based on his four aspects: characterization, identification, nomenclature and classification. So the correct choice is "characterize, identify, nomenclature, classify".
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Identify L in the diagram below.
A
B
C
D
E
F
G
H
I
J
(a) Living
(b) Dried
The correct answer is (a)iving Living
‘Living’ is alive, something that can grow, move, reproduce, respire, and carry out various cellular activities. To understand what is living, we need to look into the features of a living thing in detail.
A living thing can maintain the body’s internal environment which is referred to as homeostasis.
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The correct question is,
Identify the word that starts with the letter "L".
(a)Living
(b)Dried
based on the phenotypes of the parental plants and f1 plants from the heredity i lab, which phenotypes are dominant?
Based on the phenotypes of parental plants and F1 plants from the Heredity I lab, the dominant phenotypes are:
Trichomes, GFP positiveGlabrous, no GFPGlabrous, GFP positiveTrichomes, no GFPPhenotype is a trait of an organism that can be seen or observed. It's generally related to common attributes, such as color, length, taste, and even the presence of an anomaly or illness. When a phenotype is "dominant," that means that trait is the one that shows on the appearance on the organism.
Trichomes are the fine outgrowths or appendages that occur on plants, algae, and certain protists. An example of it is hair. Glabrous is the condition where the surface is smooth (no trichomes).
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what would be the advantage of regulating gene expression at many levels rather than simply regulating at one level?
The regulation of gene expression at many different level is helpful because different genes can be regulated at different points and different proteins are expressed.
What is the benefit of regulating gene expression at many levels?The regulation of gene expression conserves both energy and space. It would require a significant amount of energy for the organism to express every gene at all times, hence it is more energy efficient to turn on the genes when they are required.
Gene expression is controlled at the level of transcription as a result of binding of proteins to specific sites on DNA. Regulation is divided into five levels, that are: epigenetic, transcriptional, post-transcriptional, translational and post-translational.
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Does salt water have
higher levels of dissolved oxygen than fresh water
Answer: No
Explanation:
Salt water does not have more oxygen than fresh water and hears why.
Dissolved oxygen is the amount of oxygen dissolved in the water. Dissolved oxygen is one of the indicators of water quality. People need oxygen in the atmosphere to survive and animals that live in the ocean, like fish, need dissolved oxygen in the water to survive.
PLS HELP
Answer the following questions.
The skin of a dog has 74 chromosomes.
a. how many chromosomes are in each sperm cell?
b. how many chromosomes are in each heart cell?
c. how many chromosomes are in each somatic cell?
d. how many chromosomes are in each gamete?
Answer:
a. The number of chromosomes in a sperm cell is half of the number of chromosomes in the skin of a dog, so there are 74/2 = <<74/2=37>>37 chromosomes in each sperm cell.
b. The number of chromosomes in a heart cell is the same as the number of chromosomes in the skin of a dog, so there are 74 chromosomes in each heart cell.
c. The term "somatic cell" refers to any cell in the body that is not a gamete, so the number of chromosomes in a somatic cell is the same as the number of chromosomes in the skin of a dog, which is 74.
d. Gametes are reproductive cells that are involved in sexual reproduction, and they have half the number of chromosomes of other cells in the body. In the case of a dog, there are 74 chromosomes in the skin, so each gamete would have 74/2 = <<74/2=37>>37 chromosomes. This is true for both sperm cells and eggs.
Will and Juan decided to make a snack after school: peanut butter and jelly sandwiches and a glass of cold milk. They assembled the following ingredients:
bread
whole milk
grape jelly
peanut butter
Which food likely has the FEWEST calories per gram of serving and defend why?
Answer: Grape Jelly
Explanation: Because it contains primarily simple sugars
systematics is a field of study that seeks to determine how organisms within a given system interact with each other and their environment.
Finding out how organisms within a system interact with one another and their environment is the goal of the field of research known as systematics. FALSE
Systematics is the study of how living things have changed over time, both in terms of their current forms and their historical relationships. Evolutionary trees serve as a representation of relationships. Branching order and department duration are two additions in phylogenies.
What relationships do organisms have with one another and with their surroundings?There are four primary types of two-way interactions between species in ecological webs: mutualism, commensalism, competition, and predation (which includes herbivory and parasitism). A food web contains numerous connections between species, thus changes to one species can have a significant impact on other species.
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Paleontologists identify a new species of fossil on two different continents. What geological process would most likely for this fossil being found in both places.
Continental drift, it is possible that the fossil could have been present on both continents at some point in the past.
What is Continental drift ?The idea of continental drift holds that throughout the course of geologic time, the Earth's continents have migrated in relation to one another, giving the impression that they are "drifting" across the ocean floor.The fossil record is one type of evidence that strongly supported the Theory of Continental Drift. Scientists have discovered fossils of similar plants and animals in rocks of comparable age. These rocks were found on the shores of various continents. This implies that the continents were once connected.Continental drift has had numerous effects on the universe. It has had an impact on the global climate, geographical positions, and animal evolution. Volcanoes, earthquakes, and tsunamis are all dangerous side effects of continental drift.To learn more about Continental drift refer :
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which scenario will most likely result in a change to the nitrogen cycle that negatively affects plant growth?
Scientists have shown that by changing the quantity of nitrogen stored in the biosphere, humans are interfering with the nitrogen cycle. The burning of fossil fuels is the main offender.
What are the harmful effects of nitrogen on the environment?Plants flourish thanks to nitrogen. But having too much of a good thing can be harmful. Fast-growing plants outcompete and suffocate slower-growing beneficial plants when too much nitrogen gets into our bays. Oxygen is depleted by decaying plants, which kills fish and other marine life.
What three effects have people had on the nitrogen cycle?Through the burning of fossil fuels, the manufacturing of nitrogen fertilizers, the growing of nitrogen-fixing legumes, and other activities, humans are changing the global N cycle (Galloway et al. 1995).
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explain the function of the thymus gland and the hormone it secretes. include how hormone release is regulated and what cells the hormones act on.
Several hormones are produced and released by your thymus, including Thymopoietin: stimulates T-cell generation and instructs the pituitary gland to produce hormones. Thymosin and thymulin: aid in the development of certain T-cell subsets.
What hormones are produced by the thymus gland?Thymosin, a hormone required for the growth and generation of T cells, is produced and secreted by the thymus. The thymus is unique in that, in contrast to other organs, it grows the fastest in young children.
The organ most in charge of producing and maturing immune cells, particularly the tiny lymphocytes that guard the body from external antigens, is the thymus. The lymphoid tissues' resident cells come from the thymus, which also promotes the tissues' maturity and optimal performance.
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what is the name of the cell produced on the underside of a fern that can grow into a new fern?(1 point)
A spore is the cell which is produced on the underside of a fern that can grow into a new fern.
A spore is a cell produced by specific fungi, plants (moss, ferns), and bacteria. Spores play a role in procreation. To protect themselves, certain bacteria produce spores. Spore walls are substantial. They are able to withstand extreme temperatures, humidity, and other environmental factors.
Similar to the function of seeds in the plant kingdom, fungal spores are microscopic biological particles that enable fungi to proliferate.
In plants, meiosis takes place in the sporangium of a diploid sporophyte to create spores, which are typically haploid and unicellular in nature. Under the right circumstances, the spore can divide by mitosis to become a multicellular gametophyte that eventually gives rise to gametes. A zygote created by the fusion of two gametes grows into a new sporophyte.
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the peripheral nervous system . multiple select question. is not part of the central nervous system is completely independent of the central nervous system is an integral part of the central nervous system communicates with the central nervous system
Central nervous system includes brain and spinal cord. Peripheral nervous system includes autonomic nervous system and somatic nervous system.
Nervous system consists of electrically excitable cell called neurons and collection of nerves that transmit information in the body.
Nervous system is mainly divided into two parts - PNS (peripheral nervous system) and Central nervous system (CNS) . The CNS of the body consists of spinal cord and brain that regulates and coordinates all the functions of the body.
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cells synthesize a variety of complex molecules to include proteins, nucleic acids, lipids and carbohydrates. a large majority of the molecules that cells make are proteins. which three organelles are most involved in synthesizing proteins?
The components amino acids, lipids, and nucleotides are three that are crucial. Our synthesize cells use each to create the more intricate chemicals and structures required for life.
Which of the macromolecules is produced by ribosomes and has the widest range of uses?Proteins. One of the most prevalent organic molecules in biological systems, proteins perform the widest variety of roles among all macromolecules.
Which of the four essential biological compounds is most crucial for the functioning of living things?The initial molecule of life, proteins are essentially the foundation of all other molecules. The majority of molecules in cells are proteins. Proteins make up more than half of a cell's mass if all the water is taken out.
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what term is used for the muscles and glands whose activities are controlled by nervous activity?
Answer:
Muscles and glands are called effectors because they cause an effect in response to directions from the nervous system
Explanation:
net primary productivity is the primary productivity of an ecosystem, after subtracting energy lost in:______.
Net primary productivity is the primary productivity of the ecosystem, after the subtracting energy lost in the respiration and decomposition
Net primary productivity (NPP) is a measurement of the rate at which energy is converted by photosynthetic organisms into organic matter. It refers to the amount of energy (usually expressed in units of carbon) that plants and other photosynthetic organisms produce in a given area over a given period of time. NPP is an important indicator of ecosystem health, since it is a measure of the energy available for other organisms in the environment, such as animals and microbes. NPP is calculated by subtracting the amount of energy (carbon) released by respiration from the amount of energy (carbon) produced by photosynthesis.
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consuming carbohydrates and fats in sufficient quantities will protect protein from being used for energy. this process is known as .
The three primary categories of macronutrients in diet are carbohydrates, proteins, and fats (nutrients that are required daily in large quantities).
How are carbs, lipids, and proteins utilised for energy?Energy is obtained from carbohydrates (glucose). After being broken down into fatty acids, fats are utilised as a source of energy. Although protein may be used for energy, its primary function is in the synthesis of hormones, muscle, and other proteins. Cells use glucose, which is broken down, as an energy source.
The oxidative processes that occur in the cytoplasm and mitochondrion of the cell, where proteins, lipids, and carbohydrates go through a series of metabolic processes generally known as cellular respiration, result in the production of ATP.
The nutrients, such as fat and carbs, that your body need in big quantities are known as macronutrients..
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stress-induced sympathetic stimulation of the adrenal medulla causes the secretion of catecholamines, which include:
The stress-induced sympathetic stimulation of the adrenal medulla causes the secretion of catecholamines which include Epinephrine and norepinephrine.
The adrenal medulla secretes catecholamines hormones that help the body respond to stress. Catecholamines include epinephrine and norepinephrine, also known as epinephrine and norepinephrine. Under stress, the adrenal glands respond quickly by increasing the secretion of glucocorticoids and catecholamines into circulation.
These hormones in turn affect metabolism supplying energy to the vascular system to raise blood pressure and prevent the immune system from becoming over-activated. Visceral stimulation is the physiological stimulation of catecholamine secretion. Her ACh is released from nerve endings in the adrenal medulla when splanchnic nerves are stimulated.
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Sympathetic stimulation by stress in the adrenal medulla causes the secretion of the catecholamines epinephrine and norepinephrine.
A type of neurohormone (a chemical substance made by nerve cells and used to send signals to other cells). Catecholamines are important in stress responses. High levels can cause high blood pressure, headaches, sweating, heart palpitations, chest pain, and anxiety. Epinephrine is also known as adrenaline.
A catecholamine test measures the amount of these hormones in the urine or blood. Higher than normal levels of dopamine, norepinephrine, and/or epinephrine can be signs of a serious health condition.
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What is the name of the structure in the inner ear which serves to maintain a sense of equilibrium and orientation in space?.
Vestibular system structure in the inner ear which serves to maintain a sense of equilibrium and orientation in space.
Vestibular system is present inside the inner ear. These are made up of three semicircular canals and two otolith organs, known as the utricle and the saccule.
Vestibular system is the sensory apparatus of the inner ear that helps the body maintain its postural equilibrium. The Information that are coming from the vestibular system gets processed in the brain and then sent to other organs that need such information, like eyes, joints or muscles. This helps us to keep the balance and also the position of our body.
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this field of study examines the evolutionary history of a species or a group of related species.
Phylogenetics examines the evolutionary history of a species or a group of related species.
Phylogenetics is the study of the evolutionary relationships and histories among individuals, populations, species, or other groups of living things having evolutionary histories (e.g., genes, biochemicals, or developmental mechanisms).
These connections are made using phylogenetic inference techniques that concentrate on heritable qualities that can be observed, including DNA sequences, protein amino acid sequences, or morphology.
Phylogenetics is significant because it improves our comprehension of how genes, genomes, species, and, more broadly, molecular sequences, evolve. It uses information from molecular sequencing (such as homologous sequences, protein sequences, nucleotide sequences, etc.).
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analysis of the spinal tap shows the presence of gram-negative bacteria cocci; for this age group which bacteria would be the probable cause of these symptoms?
The bacteria would be probable cause of these symptoms is Neisseria meningitidis.
The outer membrane of Gram-negative bacteria contributes to their ability to cause disease. In the decades that followed group, B Streptococcus replaced Staphylococcus aureus as the most common Gram-positive bacterium causing early-onset sepsis.GBS and E. coli are currently the most frequently identified organisms.
When someone gets meningococcal sepsis the bacteria enter the bloodstream multiply and damage the walls of blood vessels. This leads to bleeding of the skin and organs. Symptoms may include fever and chills. Meningococcal meningitis is caused by a bacterium known as meningococcus. There are several species or serogroups of meningococci.
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Students need to design a self propelled toy boat with a flag on its top. When the flag collides with a low bridge, the flag must fall off. Two students build boats the same way with the same mass. They also boy use inflated balloons to propel the boats. The first student fills her balloon with twice as much air as the second student.
Answer: The first student is more likely.
Explanation: The first student has more air which means by the time it gets to the bridge it will have lost less air than the second student.
So since they lost less air that means that the balloon will be bigger and the flag will be more likely to get knocked off.
does the pituitary gland have an effector? If so what is it?
Answer:
The pituitary hormones instruct a peripheral organ to secrete effector hormones with widespread effects on many tissues.
Explanation:
The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the _____.
The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the evolution of amniotic egg.
One of the key evolutionary differences between higher creatures like reptiles, birds, and mammals and amphibians is the amniotic egg, which emerged more than 300 million years ago. Amphibians were only able to live in damp conditions where the eggs could remain moist. The development of the amniotic egg allowed for the spread of animals to diverse terrestrial environments.
The creation of amniotic membranes allowed amniotes to spread out into drier habitats since their embryos had access to their own aquatic environment, which reduced their reliance on water for growth.
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