MODULE 1 EXAM - PORTAGE LEARNING
MICROBIOLOGY QUESTIONS WITH CORRECT
ANSWERS 2025/2026
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 for the inheritable characteristics of living organisms. RNA is
MICROBIOLOGY QUESTIONS WITH CORRECT
ANSWERS 2025/2026
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 for the inheritable characteristics of living organisms. RNA is
