Microbiology questions and answers 2024\2025
A+ Grade
True/False. A virus is classified as a microbe.
Correct!
- correct answer True!
—
Although viruses are not living and as such are not considered microorganisms, they can, however, be
classified as microbes, a more general term that includes microorganisms and viruses.
True or False: The smallest biological unit of life is the molecule.
- correct answer False!
—
The smallest biological unit of life is the cell.
At a generalized level, all cells are comprised of what?
- correct answer macromolecules (proteins, lipids, nucleic acids, and polysaccharides)
Proteins are formed from various combinations of _________ of which there are _________ known
forms.
- correct answer amino acids 20
Define an essential amino acid.
- correct answer An essential amino acid cannot be produced by the human body and as such must be
take in from the environment through alternative sources (i.e) food.
Where can the two major types of nucleic acids be found in the cell, and what are their roles?
- correct answer While both DNA and RNA can be found in the nucleus (center of the cell), only RNA is
capable of leaving the nucleus. DNA contains a vast amount of hereditary information and is responsible