10. Explain why cell cycle regulators are critical to the health of an organism. What can happen if cell division is allowed to proceed without being regulated? 7. Describe the structure of the plasma membrane. What structures are on the side of the membrane facing the environment, the side of the membrane facing the cell, and the inside of the membrane?
14. Compare and contrast a frameshift mutation and a single nucleotide substitution mutation in a DNA sequence encoding a protein. How many nucleotides would be inserted or deleted in each? How many amino acids in the protein sequence would be altered in each?