B.

holoenzyme

Apoenzyme is the proteinaceous part of an enzyme. The apoenzyme plus non- protein aceous part is called holoenzyme.

Co-enzyme is a non- protein compound that is necessary for the function of an enzyme.

Prosthetic group is a non- protein group, forming a part of or combined with a protein.

B.

Pepsin

Pepsin is an endopeptidase enzyme or protein digesting enzyme. It is produced in the stomach. It breaks down proteins into smaller peptides. It acts in acidic medium, i.e. pH 2.

Trypsin is a serin protease. It hydrolzes proteins in the digestive system of many vertebrates. It is formed in the small intestine.

A.

import

Import involves passive sucking of food into body by rapture of plasmalemma e.g., ingestion of algae.

C.

capillitium

Slime moulds are characterized by the presence of capillitium. It is a branched system of sterile fibres present inside the fruit body. Elaters and pseudoelaters are present in some bryophytes whereas capitulum is a type of inflorescence.

A.

insecta

Ecdysone is a steroid hormone. It controls moulting and metamorphosis in insects. It is a major insect moulting hormone.