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Question: Determine the overall charge on the tripeptide at physiological pH (pH 7.4)?
Question: For each of the amino acids, is the side chain (R group) hydrophobic, polar but uncharged, positively charged, or negatively charged at physiological pH?
Question: What is the overall charge of the tripeptide below pH 1.0?
Question: What is the overall charge of the tripeptide at pH 12?
Question: What type of intermolecular attractions could the side chains of the amino acids make with the solvent (water) at pH 7.4? (Note that these are attractions with water, not with other amino acids.)
Question: If the tripeptide was dissolved in a buffer that is pH 8.5, what would be the net charge on the most abundant chemical species?
When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across plasma membrane and various channel proteins close. What are these channels known as.
A previous study has shown that freckles gene is located at the locus marked F, and hair color gene is located at the locus marked H, both on the long chromosome.
The performance of a seed can be determined by studying its germination and viability potential.give One of the most significant advances in seed testing.
specify the amino acid sequences
A signalling pathway in the cell is turned on by phosphorylation, leading to reduces in cell division. Determine the effect of a mutation that results in the overexpression of an oncogene coding
Describe one growth factor and one mitogen and the cellular signaling they trigger within the cell, as well as the final result of that signaling. What are carcinogens and why and how might they effect the cell cycle in the transformation of normal ..
While a tall homozygous plant was crossed with a short homozygous plant, the F1 offspring were all tall. No short plants were present in the F1 generation. Which principle does this situation represent.
Why the parents wake up, other than the children did didn't wake up. A gene for sweat gland production is found on the X chromosome.
Dr. Don McPhail and his colleagues hypothesized that the existence of the benthic and limnetic sticklebacks is the result of allopatric speciation.
why materials move from high to low concentration. Isn't this just a waste of energy.
The genome of virus SV40 is a circular double-stranded DNA molecule 5 kb long. A 1 kb region is amplified by PCR for four cycles. What fraction of total DNA does the target sequence constitute.
Explain the etiology and genetics of disease phenylketonuria (PKU) Phenylketonuria (PKU) refers to a disease found within humans in which the affected individual does not have enzyme phenylalanine hydroxylase.
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