Amino acid bond/reaction question
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Amino acid bond/reaction question

[From: ] [author: ] [Date: 11-09-11] [Hit: ]
covalent,B.hydrogen,C.disulfide,D.......
Need some help with this question, thought it was covalent and hydrolysis, could it be covalent and condensation?

Amino acids are joined by __________ bonds following a ____________ reaction.

A. covalent, hydrolysis
B. hydrogen, hydrolysis
C. disulfide, condensation
D. covalent, condensation
E. polar covalent, condensation

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Your second thought is the correct one. When amino acids are joined together, an OH and H are removed forming water. Generically these types of reactions are described as condensation or dehydration reactions.

Hydrolysis is the reverse reaction - water (hydro) is added to the molecule to break it apart (lysis).
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