List of top Biochemistry Questions on Enzymology

\(\text{NAD}^{+}\) dependent enzyme are/is:

A. Glyceraldehyde 3-phosphate dehydrogenase

B. Lactate dehydrogenase

C. Malic enzyme

D. HMG CoA reductase

Choose the correct answer from the options given below:

Enzymes that create a phosphodiester bond between the 3' end of one DNA segment and the 5' end of another are called:

Enzymes that play two distinct roles, one catalytic and the other regulatory or structural, are called:

Read the following statements carefully:
(A) DNA ligases are enzymes that create a phosphodiester bond between DNA fragments.
(B) A protein containing one or more prosthetic groups is called a conjugated protein.,
(C) A type of enzyme inhibition reversed by increasing the substrate concentration is called competitive inhibition.
(D) Two stereoisomers of a given sugar that differ only in the configuration about carbonyl
carbon atom are called anomers.
Choose the correct answer from the options given below:

The energy derived from noncovalent interactions between enzyme and substrate is called:

One calorie (cal) equals to how many joules (J)?

The number of enzyme units per milligram of total protein is called:

The step in an enzymatic reaction of a pathway that needs greatest amount of activation energy is called:

In a substrate-enzyme reaction, the term Kₐ denotes which one of the following?

Enzymes that are involved in the transfer of electrons (hydride ions or H atoms) are called:

Among the following enzymes, which one has the highest turnover number (kcat)?

The substrate concentration at which an enzyme-catalyzed reaction proceeds at one-half of its velocity is called: