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.You can learn more about the cell cycle at
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Related Questions
What is the source of energy used to power the sodium-potassium pump?
breakdown of ATP
formation of ATP
transport of ATP by the pump
breakdown of GTP
transport of GTP by the pump
Answers
Answer: Formation of ATP
Explanation:
ATP is formed by an inorganic phosphate molecule held in high-energy thus you answer would be Formation of ATP.
The new plant produced by the technique of layering must remain attached to the stem of the original plant.
True False
Answers
False. The new plant produced by layering does not have to remain attached to the stem of the original plant.
What is layering?Layering is a method of vegetative propagation of plants in which a part of a plant such as a stem or a branch is pegged to a substrate for that part to develop its own root and establish before it is eventually cut off and transplanted to become a new plant.
Layering can be done in 5 ways. These include
Tip layeringSimple layeringCompound layeringMound layeringAir layeringWhatever the method that is used, the new plant only remains attached to the original plant for some time after which it is usually detached or cut off to become an individual plant on its own.
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Answer: it’s false I think?
Explanation: I hope this helps!!!
The molecule of water is described as a polar molecule polar molecules have an unequal sharing of electrons explain how this unequal sharing is present by using our water molecule graphic below
Answers
The unequal sharing of electrons means that the atoms are unsymmetrically arranged within the molecules like water. The shape of the water molecule has two poles a positive charge on the hydrogen pole and a negative charge on the oxygen pole.
What is a Polar molecule?A Polar molecule may be defined as a type of molecule that has a charge on one side of the molecule, that is not canceled out. Apart from this, polar molecules have a region of partial charge. One end is slightly positive one end is slightly negative.
The oxygen atom in a water molecule has a stronger pull on the negative bonding electrons the oxygen atom has a slightly negative charge and the hydrogen atom has a positive charge. Due to this, unequal sharing of electrons may have arisen which is called a polar bond or dipole.
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if you think of a cell as a factory that makes proteins and ships them out, which function would the nucleus perform?
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The function which the nucleus would perform is THE BIG BOSS!! (CEO) The boss controls all of the activity inside the cell.
The nucleus plays a number of crucial roles. It controls cellular processes including protein synthesis and cell division since it includes genetic material. The nuclear envelope, nuclear lamina, nucleolus, chromosomes, and nucleoplasm are some of the anatomical components that make up the nucleus. Control over a cell's genetic makeup and, consequently, an organism's inherited traits. The nucleus often appears as a sizable, black organelle at or near the centre of a cell when it is histologically stained. The nucleus controls the synthesis of proteins and enzymes, regulates cell division and growth, stores DNA, RNA, and ribosomes, controls the transcription of mRNA into proteins, and produces ribosomes.
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During which trimester of a woman's pregnancy do the toenails, lips, and eyelashes of the fetus usually appear?.
Answers
Answer:
Second Trimester
Explanation:
human pathogens such as e. coli o157:h7 or listeria monocytogenes cannot survive in wine because of the combined presence of:
Answers
Human pathogens such as e. coli o157:h7 or listeria monocytogenes cannot survive in wine because of the cumulative presence of: low pH, alcohol, polyphenolics, sulfur dioxide.
Wine has a pH that normally ranges from 3.1 to 3.9 [2-4], which implies that most human pathogenic bacteria cannot thrive in it simply because of its high acid content (low pH). Regarding their ability to survive in wine, a substantial body of research suggests Salmonella, Listeria monocytogenes, and Escherichia coli O157:H7 have the ability to adapt to acidic environments and acquire some level of acid resistance.
But according to study, vegetative pathogens that are present at wine's pH levels are likely to disappear swiftly within a few hours to a few days when left at ambient temperature.
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What molecule is the main carbohydrate fuel molecule burned by all living things?
Answers
Answer:
ATP (Adenosine tri-phosphate)
its an important molecule found in all living things. Think of it as the "energy currency" of the cell. If a cell needs to soend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP ( Adenosine di-phosphate) + phosphate
Answer:
The main carbohydrate fuel molecule burned by all living things is glucose.
Explanation:
Glucose is a simple sugar that is a major source of energy for cells in the body. It is transported through the bloodstream and is taken up by cells, where it is broken down through a process called cellular respiration to produce ATP, the primary energy molecule used by the body. Glucose is the primary fuel for the brain and the nervous system, and it is essential for the proper functioning of all living organisms.
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Key Questions and Terms
Notes
Discovering DNA: Write a very brief summary of what discovery occurred in each year
1865
1903
1911
1928
1944
1949
1952
1953
2003
Answers
A brief summary of what discoveries that occurred in each year in relation to the studies about DNA is given as follows:
Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil around one another to create a double helix. The polymer contains genetic instructions for all known organisms and viruses' genesis, functioning, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.
The information molecule is DNA. It holds instructions for the production of larger molecules known as proteins. These instructions are kept within each of your cells and are dispersed across 46 lengthy structures known as chromosomes. These chromosomes are composed of thousands of shorter DNA pieces known as genes.
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which of these research topics would be considered an example of community ecology? A researcher found that the reproductive success of bumblebees decreased when the population density of honeybees increased. The decline in the number of bumblebees appeared to be a result of competition for nectar.
Answers
Ecological community: a collection of species that coexist and interact in a particular area; each species interacts with other species in a particular way; studied based on energy and biomass.
The term "ecological community" refers to a collection of species that are frequently found together. Ecological communities can be assemblages of animals or plants that have similar habitat needs and may interact with one another or depend on comparable environmental processes.What kind of ecological community is an example of?
Examples of community ecology:
All the trees, plants, birds, deer, squirrels, foxes, fungi, insects, fish in forest rivers, and other regional or seasonal species make up a forest community. Similar to this, a community of coral reefs has a variety of fish, coral, and algae species.
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10 main threats to biodiversty?
Answers
Answer:Deforestation.
Habitat loss and nature degradation.
Overexploitation.
Water pollution.
Land pollution.
Climate change.
Invasive species.
Over-exploitation for Commercialization
Species extinction
Wich level of biological claification do mammalia and hominidae repreent, repectively
Answers
Biological classification level taxonomic Mammals belong to classes and Hominidae belong to families
Biological classification taxonomy is the process by which scientists group organisms. Organisms are classified according to their similarities. Historically, similarity was determined by examining the physical characteristics of organisms, but modern taxonomy uses a variety of techniques, including genetic analysis. This helps in accurate identification of different organisms. It helps us to understand the origin and development of organisms. This helps determine the organism's exact place in the taxonomy. Helps develop phylogenetic relationships between different groups of organisms. The purpose of taxonomy is to break a topic down into smaller, more manageable, more specific pieces. Smaller subcategories help us understand the world, and the way these subcategories are created also helps us understand the world. Classification essays are organized by subcategory
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What components make up the backbone of a DNA molecule?
Purines and deoxyribose
Pyrimidines and purines
Deoxyribose and Phosphate groups
Phosphate groups and pyrimidines
Answers
Answer:
Deoxribose and phosphate groups
Explanation:
DNA consists of two strands of protein that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
In the Miller-Urey experiment, electrical sparks were passed through a mixture of gases, including hydrogen, water vapor, methane, and ammonia. These gasses were thought to be present in the atmosphere of early Earth. The results showed that the gasses reacted to form amino acids, which are the building blocks of proteins. Which conclusion about the origin of like on Earth is MOST STRONGLY supported by the Miller-Urey experiment?
A. All organic molecules, including amino acids, were produced from chemical reactions on early Earth.
B. Some organic molecules, including amino acids, could have been produced from chemical reactions on early Earth.
C. Complex organic molecules, such as proteins, could not have been produced from chemical reactions on early Earth.
D. Complex organic molecules, such as proteins, could have been produced from chemical reactions on early Earth.
Answers
Some organic molecules, including amino acids, could have been produced form chemical reactions on early Earth conclusion about the origin of like on Earth is most strongly supported by the Miller-Urey experiment.
What is Miller-Urey experiment?
The Miller-Urey experiment, also known as the Miller experiment or Miller experiment, is a well-known chemistry experiment that mimicked the atmospheric conditions that were thought, in 1952, to exist in the early, prebiotic Earth in order to test the theory of the chemical origin of life under those conditions. Water (H2O), methane (CH4), ammonia (NH3), hydrogen (H2), and an electric arc were all employed in the experiment (the latter simulating hypothesised lightning).
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what are the likely effects of higher species richness on ecosystem stability parameters based on scientific studies?
Answers
The minimum-required species richness continually rises with the number of functions taken into account over years and every possible combination of ecosystem functions.
In addition, despite its diversity, no community type can provide high levels of all functions due to trade-offs between them and seasonal variability.With increasing species diversity, there was a higher likelihood of maintaining numerous ecological functions, although this effect was heavily influenced by characteristics including species evenness, composition, and spatial pattern. Overall, we discovered that multifunctionality was increased in model communities with high species diversity, irregular spatial pattern, and low evenness.To know more about ecosystem
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genetic variation among humans is relatively small when compared to other species. where in the human genome does most of the diversity occur?
Answers
Compared to many other animals, including our closest evolutionary relative, the chimpanzee, humans genome have significantly less genetic variety.
Where does human genetic variability occur most frequently?African, Genetic research almost universally shows that African populations are more diverse (Figure 1), supporting the idea that modern humans had African origins.
What genetic factors account for human variation?Genetic diversity is mostly caused by mutations. A mutation is a long-lasting change to a DNA sequence. De novo (new) mutations happen when a mistake in DNA replication occurs and is not fixed by DNA repair enzymes. Humans' propensity for multi-step processes and their capacity to transmit learned information from one generation to the next are two possible explanations.
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The p53 protein is involved in DNA repair and in triggering cell death when repair is not possible. Why are some cancers associated with defective p53 genes? Select all that apply.
Answers
Because cells with damaged DNA are not triggered to die. Because cell growths and divisional is no longer-term regulated by p53 proteins.
What is DNA?Deoxyribonucleic acid is the polymer composed of two by polynucleotide chains and that id coil around to each other to form a double by helix. The polymer and carries genetic instructions for the development, functioning, growth and reproduction of all known by organisms and many viruses. DNA and ribonucleic acid are nucleic acids.
The p53 protein is involved in DNA repair and in triggering cell death when repair is not possible. The are some cancers associated with defective p53 genes Because cells with damaged DNA are not triggered to die. Because cell growths and divisional is no longer-term regulated by p53 proteins.
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Lake-effect snow occurs under which conditions? A. heavy snowfall in an area melts and forms a new lake B. water vapor is picked up over a lake and falls as snow over land C. lakes overflow and flood due to excess snowfall hs D. enough cold snow falls into a lake to melt it
Answers
water vapor is picked up over a lake and falls as snow over land
What conditions create lake effect snow?When cold air, frequently from Canada, crosses the Great Lakes' open water, Lake Effect snow results. Warmth and moisture are carried into the lowest part of the atmosphere as the cold air travels over the unfrozen and relatively warm waters of the Great Lakes.The sole distinction is that during a larger snow storm, when cold air travels over relatively warm water, lake-enhanced snow occurs, producing greater snowfall rates close to the lake's shore.Lake-effect snowfall can occur everywhere around the lake, although the eastern shore experiences the heaviest and most frequent snowfalls. Orographic uplift and the lake effect combine in some areas of the snowbelt to generate some particularly large snowfalls.To learn more about lake effect refer,
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population change practice question
Answers
Answer:
-Predators
-Disease
-Weather
Explanation:
Squirrels population can be decreasing because they are being hunted by predators.
Disease can be spreading through the forest.
The forest can have harsh weather, making population for squirrels decrease.
Arrange these structures in order from largest to smallest.
1. muscle
2. muscle fiber
3. myofilament
4. myofibril
5. muscle fasciculus
Question options:
A) 1,2,5,3,4
B) 1,2,5,4,3
C) 1,5,2,3,4
D) 1,5,2,4,3
E) 1,5,4,2,3
Answers
The arrangement of the structures from largest to smallest is "D) 1,5,2,4,3
How to arrange the structures in descending orderThis is the correct order of structures from largest to smallest.
A muscle is a group of muscle fasciculi, which are bundles of muscle fibers.
A muscle fiber is a single muscle cell that contains many myofibrils. A myofibril is a long, cylindrical structure that runs along the length of the muscle fiber. A myofibril is composed of many myofilaments, which are the contractile proteins that generate force and movement. The main types of myofilaments are actin and myosin.To remember the order, you can use the mnemonic represented as
"Muscle Fasciculus Fiber Fibril Filament."
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Tropic hormones, or tropins, include several hormones produced by which structure?.
Answers
Most of the tropic hormones are produced and secreted by the anterior pituitary. The hypothalamus secretes tropic hormones that are directed to the anterior pituitary, and the thyroid gland secretes thyroxine, which is directed.
The hypothalamus and can therefore be considered a tropic hormone. The anterior pituitary produces ACTH. It is considered a tropical hormone. Tropic hormones indirectly affect target cells by first stimulating other endocrine glands. Tropic hormones include thyroid-stimulating hormone, corticotropin, follicle-stimulating hormone, and luteinizing hormone. Tropic hormones are secreted by the posterior pituitary gland. Tropic hormones can control the growth of target tissues. Most of the tropic hormones are produced and secreted by the anterior pituitary. The hypothalamus secretes tropic hormones that go to the anterior pituitary, and the thyroid gland secretes thyroxine, which goes to the hypothalamus and can therefore be considered a tropic hormone.
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which is responsible for the development of the wolffian duct into the epididymis, vas deferens, and seminal vesicle?
Answers
A) Testosterone is responsible for the development of the Wolffian duct into the epididymis, vas deferens, and seminal vesicle.
Testosterone is generally produced by the Leydig cells that also helps to stimulates growth and development of the wolffian duct also vas deferens, epididymis, and seminal vesicles.
The wolffian duct persuade the formation of mesonephric tubules in the mesonephric mesenchyme, that also continue to the epithelial cells of the gonad in both males and females. Testosterone not only protects the Wolffian duct cells from decadency but also stimulates them to differentiate into male reproductive structures.
The above question is incomplete
Which of the following is responsible for the development of the Wolffian duct into the epididymis, vas deferens, and seminal vesicle?
A) testosterone
B) estrogen
C) progesterone
D) testis determining SRY protein
E) anti-Müllerian hormone
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How does density cause the separation of Earth’s main layers: Crust, Mantle, Outer core, Inner core?
Answers
The separation of Earth's main layers is primarily caused by differences in density between the layers. Density is a measure of the mass of a substance per unit volume, and it can vary depending on the composition and temperature of the material.
The Earth's crust, which is the outermost layer, is relatively low in density compared to the mantle and core. This is because the crust is composed mostly of lighter materials, such as rock and soil, which have a lower density than the denser metals that make up the mantle and core.
As a result of these differences in density, the crust floats on top of the mantle, much like oil floating on top of water. The mantle, which is the thickest layer of Earth, is composed of hot, dense rock that is semi-solid and capable of flowing slowly over time.
Beneath the mantle is the outer core, which is a layer of molten metal, primarily iron and nickel. The outer core is less dense than the mantle, but more dense than the crust. The inner core, which is the very center of the Earth, is a solid ball of metal that is even denser than the outer core.
Overall, the separation of Earth's main layers is caused by differences in density between the layers, with the densest materials sinking to the center of the planet and the lighter materials floating on top.
Type the correct answer in the box. Spell all words correctly. What connects neurons and what chemicals help neurons communicate? the connects the axon of one neuron with the dendrite of another neuron to relay messages. Neurons transmit information to each other through synaptic gaps. The cells release chemicals known as into the synaptic gaps to communicate with one another.
Answers
The synapse connects the axon of one neuron with the dendrite of another neuron to relay messages.
The cells release chemicals known as neurotransmitters into the synaptic gaps to communicate with one another.
Synapse can simply be called the point of contact between two neurons through which information is passed on. A synapse is composed of: a presynaptic neuron, synaptic cleft, and a postsynaptic neuron.
Neurotransmitters are the signaling agents that carry information in chemical form from one neuron to another. These neurotransmitters are produced inside the nerve cells itself. The example of neurotransmitters are: acetylcholine, dopamine, glutamate, histamine, norepinephrine, etc.
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Water logging is a phenomenon in which:
Crop patterns are rotated
Erosion of soil takes placeSoil root zone becomes saturated due to over irrigation
None of the above
Answers
Answer:
Water logging in is a phenomenon in which " Soil root zone becomes saturated due to over-irrigation."
Explanation:
Waterlogging is the natural flooding and over-irrigation that brings water at underground levels to the surface. As a consequence, displacement of the air occurs in the soil with corresponding changes in soil processes and an accumulation of toxic substances that impede plant growth.
Neurons in the sympathetic nervous system that synapse onto the adrenal glands release which neurotransmitter?.
Answers
Answer:
Norepinephrine
Explanation:
Norepinephrine gets released by postganglionic neurons of the sympathetic nervous system, which binds to and activates adrenergic receptors.
What is the transparent front part of the eye that covers the iris, pupil, and anterior chamber?.
Answers
Answer:
The cornea
Explanation:
Write the working of digestion?
Answers
Answer:
look below
Explanation:
The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Helping them along the way are the pancreas, gall bladder, and liver
Answer:
The digestive system breaks down food into nutrients such as carbohydrates, fats and proteins. They can then be absorbed into the bloodstream so the body can use them for energy, growth and repair. Unused materials are discarded as feces
Explanation:
The digestion system is where your body breaks down food into nutrients. Which then can go into your bloodstream creating your "Energy". anything that isn't needed or is excess is discarded down to the next system.
A woman carrying the gene for hemophilia (a sex-linked recessive trait), marries a man who is a hemophiliac. What percentage of their children can be expected to have hemophilia?
A. 0%
B. 25%
C. 50%
D. 100%
Answers
Answer:
i think b
Explanation:
in a type ii hypersensitivity reaction, when mismatched blood is administered causing an abo incompatibility, the erythrocytes are destroyed by:
Answers
cell lysis caused by complement.
What transpires in a hypersensitive reaction of type II?An antibody-mediated immune response is referred to as a type II hypersensitivity reaction when antibodies (IgG or IgM) are directed against extracellular matrix antigens and cause cellular death, tissue damage, or functional loss.
What transpires in a type II hypersensitivity reaction to cells that contain incompatible antigens?Cells are destroyed by antibodies in type II hypersensitivity reactions. Blood-transfusion responses, in which host antibodies interact with foreign antigens on incompatible transfused blood cells and facilitate the death of these cells, are the greatest examples of this type of reaction.
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Which organisms are in a parasitic relationship?
(choose only one answer)
A. a bear finds a den that used to belong to another, now-deceased bear
B. a blood tick attaches to a dog
C. a female spider eats the male spider after mating
D. a plover bird cleans food scraps from a crocodile’s mouth
Answers
What is parasitic?
A parasitic relationship is one in which one species, the parasite, benefits and the other, the host, suffers.
Answer:
The organisms that parasitize humans include fungi, leeches, lice, viruses, protozoa, tapeworm, etc. Few organisms such as Helminthes live inside the intestine of the host and causes several infectious diseases, such as jaundice, malnutrition, diarrhoea, etc.