The tetrapeptide structure shown below contains one amino acid that occurs twice. Which is it and in what positions? A) proline, 1st & 4th C) phenylalanine, 1s' & 4th B) cysteine, 2nd & 5th D) glycine, 2nd & 5th E) tyrosine, 1st & 4th но. NH2 HN. HN ÓH
The tetrapeptide structure shown below contains one amino acid that occurs twice. Which is it and in what positions? A) proline, 1st & 4th C) phenylalanine, 1s' & 4th B) cysteine, 2nd & 5th D) glycine, 2nd & 5th E) tyrosine, 1st & 4th но. NH2 HN. HN ÓH
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question #59 please

Transcribed Image Text:58.) If the temperature at which a particular enzyme unfolds and loses its tertiary structure is 41°C, which of the following conditions
will result in the highest activity?
B) 37°C
А) 14°C
С) 56°C
D) 69°C
E) 81°C
59.) The tetrapeptide structure shown below contains one amino acid that occurs twice. Which is it and in what positions?
B) cysteine, 2nd & 5th C) phenylalanine, 1t & 4th
A) proline, 1t & 4th
D) glycine, 2nd & 5th
E) tyrosine, 1st & 4th
но.
NH2
HN.
N.
HN
OH
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