Question

Given the names of these three enzymes proteases, DNase, RNase what reaction do you expect each one to catalyze

Answer 1

Answer:

As the name suggests, proteases will be the enzymes which will catalyze the reactions of proteolysis. Proteolysis can be described as the process of breaking proteins into amino acids and simple peptide bonds.

DNases will catalyze the reactions for breaking down or degrading DNA. The DNase does this by breaking the phosphodiester bonds present in the backbone of the DNA.

RNases will be the enzymes which will catalyze the breaking of RNA molecules.

Answer 2

Enzymes have proteins that catalyze reactions and increase the state of reaction without mixing with the reactants.

a. Proteases – catalyze the hydrolysis of proteins.

b. DNase - catalyze the hydrolytic cleavage of phosphodiester bonds, hence degrading DNA.

c. RNase - degrade RNA by catalyzing the hydrolytic cleavage of phosphodiester bonds in RNA.

Proteases, DNase, RNase

• a. Proteases—It catalyzes proteolysis. It breaks down the protein into amino acids and polypeptides. It is also called proteinase.

• Proteases, for example, breakdown food proteins in the small intestine to allow amino acid absorption.

• b. DNase- Deoxyribonuclease break down the DNA molecules into fragments. It helps in breaking down the DNA of bacteria, thus killing the bacteria.

• c. RNase- Ribonuclease break down the RNA into fragment, thus degenerate them.

• Human use them to defend themselves from microorganism. It secretes by fluids like tears,  mucus, saliva.

Thus, these are the functions of these enzymes.

Learn more about enzymes, here:

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