Define epimers. Give example.

Define coenzyme. Give example.

Define pleotropy. Give example.

Define asymmetry. Give example.

Define keystone species. Give example.

Define geitenogamy. Give example.

Define monomer and polymer. Give examples.

Define cloning vector. Give example.

Define non-endospermic seed. Give an example.

Define nucleoside. Give an example.

What do you mean by hydrogen bond donor and hydrogen bond acceptor? Define protic and aprotic solvents. Give examples.