1. The construction of cells DNA or RNA Protein Carbohydrates Lipid etc.

12. Isoelectric point of protein pH < pI Protein is positive charge. pH > pI Protein is negative charge.

14. Amino Acid Sequences of Cytochromes c from 38 species

15. A phylogenetic tree of cytochrome c

18. One subunit of the enzyme glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus.

19. Major biological functions of protein Catalytic proteins: A+B C Structural proteins Transport proteins Regulatory proteins Protective proteins : antibodies enzyme

25. The activity of every enzyme is specific.