if you told me what process i could help you - post a new question and ill try to help you
It's B. The cheetah populations are less likely to be able to adapt to environmental changes.
This either attaches the virus to the host cell or dissolves the membrane letting the virus into the host cell. The viral enzymes(enzymes are again chemical compounds) multiply the viral dna copies and viral protiens. These are new viruses. These new viruses breakout of the cell to infect other cells.
