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1. Changing Gly to Ala in the primary structure of a protein will always lead to a change in the overall shape of a protein.a.) Trueb.) False
2. An alpha helix:a.) is stabilized by the amino acid prolineb.) can only form by hydrogen bonding between different polypeptide chainsc.) can only form when cysteines form disulfide bridges within this structured.) forms when side chains of D and E attract each othere.) none of the above
3. What will likely happen if two histidines at pH 5 are next to each other in a polypeptide chain?a.) The side chains of these amino acids will be uncharged and there will be no effect.b.) The side chains of these amino acids will be charged and they will attract each other.c.) The side chains of these amino acids will be charged and they will repel each other.d.) Not enough information is given to determine the effect.
4.Consider the amino acid Tryptophan. Which of the following best describes where you predict this amino acid would be found?a.) This amino acid is hydrophobic and would be on the surface of a protein that is in the middleof a membrane.b.) This amino acid is hydrophilic and would be on the surface of a protein that is in the middleof a membrane.c.) This amino acid is hydrophobic and would be in the interior of a protein that is in the middleof a membrane.d.) This amino acid is hydrophilic and would be in the interior of a protein that is in the middle ofa membrane.e.) Not enough information is given to determine.
5. The difference between fetal and adult hemoglobin with regard to oxygen binding occurs because fetal hemoglobin has an amino acid substitution in one of its chains that results in a histidine being replaced by a serine.a.) Trueb.) False
Hutchinson-Gilford progeria is an exceedingly rare human genetic disorder in which there is very early senility, and death, usually of coronary artery disease, at an average age of approximately 13. Patients, who look very old even as children, do no..
Water at room temperature is placed in flask connected through rubber tubing to a vacuum pump and the pump is turned on.
Determine which of the following mutations is more likely to produce a severe rather than mild phenotypic consequence
Explain especially what happens to DCPIP and why and how. Explain results and purposes of each of the four tubes of solutions where the photosynthetic output of the Hill reaction was measured.
A couple, George and Lara, have three sons. The oldest and youngest are normal but the middle child has xeroderma pigmentosum.
Assume you study a transmembrane protein that is trafficked through the endoplasmic reticulum but ultimately "lives" in the plasma membrane.
There is 2-possible ways of inserting a gene into E.Coli that functions in converting a waste into an energy source.
Using the understanding of osmosis describe, why putting salt on a pork chop before cooking it on a grill is probable to result in a dry tough piece of meat.
Analyze the stressors employees might experience as a result of the underperforming economy and current retraction of business, and make at least three recommendations for how approximately any leader or manager might help mitigate those stressors. S..
Determine what of the following describes the immediate spatial relationship of the left kidney to other structers on posterior abdominal?
Estimate the most likely type of change that occurred in the DNA (single-base substitution, insertion, deletion), the phenotypic effect of the mutation
Which of the statements best describes the shape of its teeth? How many teeth does it have in the premaxilla.
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