BIOMOLECULES AND ENZYMES

BIOLOGY

NUCLEIC ACIDS

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: -A dipeptide comprises of two peptide bonds between amino acids. Q. In a polypeptide, the carboxyl group of one amino acid is bound to the amino group of the next amino acid by .

Detailed explanation-3: -A peptide bond is basically an amide-type of covalent chemical bond. This bond links two consecutive alpha-amino acids from C1 (carbon number one) of one alpha-amino acid and N2 (nitrogen number two) of another. This linkage is found along a peptide or protein chain.

Detailed explanation-4: -When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein.

Detailed explanation-5: -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.

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