1. Ionization status of different amino acids (arginine, aspartic acid, tryptophan ) at PH 7 ,PH 5, PH 9
2. Is the lac operon under positive control, under negative control, or both? Explain your answer.
3. Briefly explain what allosteric regulation is, then describe two specific examples. One example should be from the lac operon.
4. How could you determine the ovulation rate in a sow by looking at the ovarian structures?