B ACTERIA & V IRUSES. M ICROBIOLOGY Is the basic science that explores microscopic organisms including viruses, bacteria, protozoa, parasites, and some.
B ACTERIA & V IRUSES C HARACTERISTICS OF O RGANISMS 1. All living things are composed of cells 2. All living things perform certain chemical processes.
Viruses More free powerpoints at ://.
Bacteria & Viruses
Topic 6.3 Defence against infectious disease
