BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Peptide bonds form between:
A
two amine groups
B
two carboxyl groups
C
two R groups
D
an amine and a carboxyl group
Explanation: 

Detailed explanation-1: -A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule; thereby, releasing a molecule of H2O. This is a dehydration synthesis reaction and usually occurs between amino acids and the resulting molecules is an amide.

Detailed explanation-2: -Peptide bonds are amide bonds between the -carboxyl group of one amino acid and the -amino group of another (Fig. 3-1). The result is a planar structure that is stabilized by resonance between the -carboxyl and -amino groups.

Detailed explanation-3: -Peptide bonds form between the carboxyl group of one amino acid and the amino group of another through dehydration synthesis.

Detailed explanation-4: -Amino Acids, Peptides, and Proteins During translation, peptide bonds are formed from the amino (N) to the carboxyl (C) terminus by removal of water (also referred to as dehydration or condensation) and catalyzed by RNA (referred to as a ribozyme) that forms part of the ribosome.

Detailed explanation-5: -Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid. The linear sequence of amino acids within a protein is considered the primary structure of the protein.

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