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Question

Consider the pairs of amino acids below:

A. alanine and valine

B. leucine and isoleucine

C. glycine and phenylalanine

D. serine and threonine

i. Which pair have side chains capable of hydrogen bonding?

ii. Draw each structure hydrogen bonding to one another.

iii. Sketch each structure hydrogen bonding to water.

Accepted Answer

Structures of serine and threonine showing hydrogen bonding.

Answer

Structures of alanine and valine showing hydrogen bonding.

Answer

Structures of leucine and isoleucine showing hydrogen bonding.

Answer

Structures of glycine and phenylalanine showing hydrogen bonding.