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Which of the following amino acids pairs would form the described hydrogen bond at pH 7?...

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Chemistry

Which of the following amino acids pairs would form thedescribed hydrogen bond at pH 7? Explain your answer?

A. His Asp

B. Tyr His

C. Ser Arg

D. Glu Thr

A certain protein has a molecular weight of 250 kD. What is theapproximate number of amino acids residues?

A. 2

B. 750

C. 1200

D. 2300

E. 27500

Answer & Explanation Solved by verified expert
3.9 Ratings (495 Votes)
1The side chains of the hydrophobic amino acids are nonpolar and cannot form hydrogen bonds with water or other polar entities Within the hydrophobic amino acid group side chains vary in size and shape Four of the hydrophobic amino acids alanine valine leucine phenylalanine and isoleucine have side chains that are branched or unbranched hydrocarbon    See Answer
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