Write in the box provided the best correct response which completes the followin

Question

Write in the box provided the best correct response which completes the following sentence or select letter D if none of the responses provides a correct response. a. The RNA segments AUU-GUU and AUA-GUC would produce dipeptides with A. a different N-terminal amino acid but the same C-terminal amino acid. B, a different C-terminal amino acid but the same N-terminal amino acid. C. no amino acids common in both dipeptides. D. None of the above provide a correct response. b. The tripeptides gly-gly-ala and ala-gly-gly are A. enantiomers of one another because there is only one chirality center in the tripeptide. B. diastereomers of one another. C. constitutional isomers of one another. D. None of the above provide a correct response. b. A DNA sample will always have equal numbers of moles of A. G and A. B. C and T. C. T and A. D. T and U. c. Both methionine and cysteine contain sulfur and as a result A. there are disulfide bonds between Cys-Cys, Cys-Met, and Met-Met. B. there are disulfide bonds only between Cys-Cys, and Met-Met. C. only between cysteine residues on peptides. D. only between methionine residues on peptides. d. The dipeptide of asp-phe would be expected to have A. only one specific m-RNA code that would synthesize this dipeptide. B. only two specific m-RNA codes that would synthesize this dipeptide. C. only four specific m-RNA codes that would synthesize this dipeptide. D. more than four specific m-RNA codes that would synthesize this dipeptide.

Explanation / Answer

Answers:

4. a. D. None of the above provide a correct response

( Both produces IIe- Val. So other options are exempted)

b. C. constitutional isomer of one another

( constitutional isomers are same molecular formula but different connectivity)

b. C. T and A

C. C. only between cysteine residues on peptide

d. B. only two specific mRNA codes that would synthesize this dipeptide

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