Molecular biology

2. part of the metabolism that builds simple molecules into more complex ones
4. an unsaturated fatty acid contains less _______ than a saturated one
6. molecule that carries energy in the cell
7. a polymer of glucose, used as a storage form for glucose in animals
9. an enzyme that breaks down maltose to two glucose molecules
10. one of the factors that limit photosynthesis
11. are small lipids containing rings that are all derived from cholesterol
12. forms part of the plasma membrane, contains two fatty acids
13. one of the colors used by chlorophyll
15. the loose association of amino acids in a polypeptide chain with each other, usually through H-bonds. e.g. alpha helix, beta pleated sheet
17. a fatty acid that has been modified to remove the kink
18. biological catalysts, composed of protein, that speed up chemical reactions
19. water-"loving"

1. monosaccharide found in milk
3. enzymes work by lowering the ______________ needed to start a reaction
5. to permanently change the 3 dimensional structure of a protein
6. starch is made up of two molecules:amylose and _____
8. the tertiary structure of a protein made by both alpha helixes and beta pleated sheets
9. monomer of carbohydrates
14. the bond that forms between two amino acids joined by dehydration synthesis
16. a chemical that resists changes in pH