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.
Answer:
different traits inherited by pffspring have different survival values
Explanation:
D. It's harder body parts. A lot of fossils are of the skull, therefore that would lead one to think that it would be harder<span />
C. They produce ATP
The energy required for various chemical activities needed for life is released by the mitochondria in the form of ATP.
