Ineed on all unanswered questions.

8. It would be the same, 52
9. Because you only need one parent cell, to make a daughter cell
10. Binary fission, Fragmentation, and Budding
11. Because it is such a protective coating, your body needs to replace the keratin cells quickly as they fall off
12. Neurons, Cardiac muscle, Red and White blood cells, Skeletal muscle, Smooth muscle (basically muscle cells)
13. mitotic cells, Mature cells > Interphase

Answer d would be the best answer, for he wants to have part in biotechnology. an ekg technician is quite similar.

Be by his side : ) make him feel better