Microbiology is the study of bacteria,algae,fungi,viruses and protozoa. Most of these are single-celled,except for which two:

Question

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The only two options that are not single-celled are viruses (which are not cells) and fungi (which can have many cells). Option A is incorrect as algae are living organisms and are not made up of proteins, and not all bacteria are multicellular. Option C is incorrect as protozoa are single-celled organisms and fungi are not made up of free nucleic acids. Option D is incorrect as all viruses are made up of only one cell or a group of cells, and bacteria are always made up of cells.

Microbiology Is the Study of Bacteria,algae,fungi,viruses and Protozoa