FOOD TECHNOLOGY

FOOD CHEMISTRY

CARBOHYDRATES PROTEINS AND LIPIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A dipeptide is made of ____ amino acids joined by a peptide bond.
A
2
B
20
C
50
D
3 or more
Explanation: 

Detailed explanation-1: -A dipeptide is formed when two amino acids are joined together by a peptide bond. The peptide bond is formed via dehydration synthesis when a hydroxyl is removed from amino acid 1 and a hydrogen is removed from amino acid 2 to form water as a byproduct. The resulting C-N bond is a peptide bond.

Detailed explanation-2: -1: Amino acids undergo condensation to form a molecule called a dipeptide. The C−N bond is called a peptide bond. A peptide bond is the amide bond that occurs between the amine nitrogen of one amino acid and the carboxyl carbon of another amino acid. The resulting molecule is called a dipeptide.

Detailed explanation-3: -The two joined amino acids are called a dipeptide. The amide bond is synthesized when the carboxyl group of one amino acid molecule reacts with the amino group of the other amino acid molecule, causing the release of a molecule of water (H2O), hence the process is a dehydration synthesis reaction.

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