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Q. It is known that calcium plays diverse roles in cellular processes. Upon increases in cytotoxic calcium concentration, calcium binds to proteins that have calcium binding sites, leading to the conformational change of the protein as well as changes in its biological activity. For in case, it is well established that in presynaptic neurons, the elevation of cytosolic calcium triggers the fusion of exocytotic vesicles that contain neurotransmitters to the plasma membrane.
A.) How does calcium trigger the fusion of exocytotic vesicles to the plasma membrane?
B.) How does the presynaptic neuron transducer an action-potential signal to a postsynaptic neuron?
A scientist has discovered a new cell. illustrate, in detail, ALL the ways the scientist could decide if the cell comes from a plant or an animal. How several of these result in the release of oxygen into the atmosphere?
What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?
How many different combinations of phenotypes could exist of these 7 paired traits . What proportion would be heterozygous in every trait after 2 years.
What is estimated density of firs in the forest. Why then is the gene called Dorsal, and not, for instance, Ventral.
How is MPF involved in one or more of checkpoints. A chemist wishes to create an organic molecule non-acidic.
How could you demonstrate experimentally that the selective antagonist binds the receptor specifically? Illustrate the experiment you would perform and also the controls you would contain.
Why are algae important in nature. Joan and Alex Smith have five daughters who are quite dissimilar in appearance and talents. Examine why this occurs based on the 2 events in meiosis that enhance genetic diversity.
Joe Average has just been frightened by a very loud noise as he was taking a very difficult physiology exam. In response, his adrenal glands have released a large amount of adrenaline into his circulation. Which of the effects would you expect to ..
Though, at the restrictive temperature, the minimum size required to enter mitosis is decreased greatly; as a result, diminutive daughter cells are produced.
Calculate how the permeability of each is altered when the pH is reduced to 1.0, a value typical of the stomach.How to demolish the function of this protein.
As Ben jumped on his bike and headed for the fresh water lake, his mom called after him, "Don't swim if we have an electrical storm-it looks threatening". That was a valid request. Why with reason.
The F1 generation, which resulted from cross between the two lines, has a mean of 135kg and a variance of 16kg. What is the broad sense heritability (H2) for milk yield in this population.
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