BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What happens when hydrolysis occurs?
A
hydrolysis is fake
B
digestion
C
water is removed, which dissolves the peptide/amide linkages, returning polypeptides and dipeptides into individual amino acids
D
water is added, which dissolves the peptide/amide linkages, returning polypeptides and dipeptides into individual amino acids
Explanation: 

Detailed explanation-1: -The protein hydrolysis aims to break down the peptide bonds and to increase the free amino acid and carboxyl groups. The resulting hydrolysate is more soluble and digestable (Contreras et al., 2019).

Detailed explanation-2: -A peptide bond can be broken by hydrolysis (the addition of water). The hydrolysis of peptide bonds in water releases 8–16 kJ/mol (2–4 kcal/mol) of Gibbs energy. This process is extremely slow, with the half life at 25 °C of between 350 and 600 years per bond.

Detailed explanation-3: -Hydrolysis refers to a reaction with water. Acid hydrolysis refers to a hydrolysis reaction occurring under acidic conditions. Acid hydrolysis of a protein breaks the polymer down into its constituent amino acids.

Detailed explanation-4: -Proteolytic enzymes hydrolyze proteins at the optimum temperature and pH and usually target specific peptide cleavage bonds, resulting in digestion consisting of amino acids and peptides of varying size.

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