Ionizing radiation has deep penetrating power.

Virulence is ____.

Soil may be considered as having biotic and abiotic components.

A communicable disease may infect immuno-compromised as well as normal patients.

The mortality rate is ___.

A mutated bacteria is known as a mutant strain.

Viruses become incorporated and remain latent during the _______.

Spores were discovered by ___.

When a bacteriophage acts as a carrier of DNA from a donor cell to a recipient cell and highly specific parts of host genome are regularly incorporated into the new phages, this recombination event is ____.

In prokaryotes, ribosomes are composed of two components of what designation?