Answer:
they servive only in living cells.
Explanation:
the virus are connecting link between living and non-living. they are unable to perform life process outside the living cells. outside the living cells, the viruses behave as simple chemical so they are called as obligate intracellular parasite.
The answers are B and C because the other 2 are unhealthy
Answer:
b. transitions
c. transversions
second
A. Crossing over between homologous chromosomes.
