BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Proteins. Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules.

Detailed explanation-2: -So, the correct answer is ‘Proteins’

Detailed explanation-3: -Proteins show enormous diversity because of different proportions and sequences of twenty amino acid within the protein molecule. A large number of permutations and combinations of this amino acids are responsible for the unlimited variety of proteins.

Detailed explanation-4: -Proteins are the most diverse of all macromolecules, and each cell contains several thousand different proteins, which perform a wide variety of functions.

Detailed explanation-5: -Proteins themselves are major structural elements of cells. They also serve as transporters, moving nutrients and other molecules in and out of cells, and as enzymes and catalysts for the vast majority of chemical reactions that take place in living organisms.