Biology Review

2. A carbohydrate whose molecules consist of a number of sugar molecules bonded together.
3. Any class of sugars whose molecules contain two monosaccharide residues.
4. A complex organic substance present in living cells.
9. A substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together.
10. Any classes of organic compounds that are fatty acids or their derivatives are insoluble in water but soluble in organic solvents.
12. Any of the class sugars that cannot be hydrolyzed to give a simple sugar.
14. A simple organic compound containing both a carboxyl and an amino group.
15. A self-replicating material present in nearly all living organisms as the main constituent of chromosomes.
16. The chemical breakdown of a compound due to reaction with water.
19. Any classes of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms.

1. Reactions that produce acid anhydrides.
5. An insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton.
6. The primary linkage of all protein structures.
7. A compound consisting of a nucleoside linked to a phosphate group.
8. A substance deposited in bodily tissues as a store of carbohydrates.
11. Compounds with the same formula but different arrangement of atoms in the molecule.
13. Any large group of organic compounds occurring in foods and living tissue separating sugar, starch and cellulose.
17. An odorless tasteless white substance occurring widely in plant tissue and obtained chiefly from cereals and potatoes.
18. A nucleic acid present in all living cells, acts as a messenger that carries instructions from the DNA for controlling the synthesis of proteins.