Question

1.5 (b) proteins quiz A useful model for enzyme action is the: the lock and key model. double helix model. ball and socket model. amino acid chain model.

Answer 1

Answer:

A useful model for enzyme action is the Lock and Key model.

Explanation:

The Lock and Key model or theory was first postulated by Emil Fischer in 1894. It is used to represent the enzyme and its specific substrate. The enzyme (lock) is specifically activated by the substrate (key) through its active site (key hole) to produce a catalyzed reaction. If the keys are too small or too big for the key hole, it will not produce any reaction.

The Double Helix model by Watson and Crick is used to represent the DNA present in an individual. This is made up of two strands of DNA bounded by hydrogen bonds. In between these bonds are nitrogenous bases adenine (A), guanine (G), thymine (T), and cytosine (C).

The Ball and Socket model represents body joints, specifically the hip and the shoulder joints. The shape of the head of the joint is spherical and fits into a cup-like depression of the receiving bone. The range of motion of this joint is usually wide and has one central point.

The Amino Acid Chain model, also known as polypeptides, are linked together by a peptide bond. A peptide bond is produced by hydrolysis. The chain usually starts with the amino group and ends with the carboxyl group.