Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?

An enzyme that joins the ends of two strands of nucleic acid is

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these

The figure given below shows three velocity-substrate concentration curves for an enzyme reaction. What do the curves a, b and c depict respectively?
Answer

Enzymes are polymers of

The catalytic efficiency of two different enzymes can be compared by the

In which one of the following sets of three items each belong to the category mentioned against them?

Carbohydrates, the most abundant biomolecules on earth, are produced by

Enzymes exist in the cells as

The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in the leguminous root nodule is