Penicillin is an antibiotic that was discovered in 1928. today, many species of bacteria have acquired resistance to penicillin. this adaptation occurred as the result of a) mutualism. b) symbiosis. c) genetic mutation. d) divergent evolution.

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.