Question

if a doctor examines a blood sample under a microscope and finds genetic material surrounded by a protein coat, the doctor is looking at
a. bacteria
b. a virus
c. fungi
d. protozoa

Explanation:

Viruses consist of genetic material (DNA or RNA) surrounded by a protein coat. Bacteria have a more complex cell - structure, fungi are eukaryotic organisms with cell walls made of chitin, and protozoa are single - celled eukaryotes.

Answer:

B. a virus