BIOD 171 or BIOL271
Microbiology w/Lab 2026 |
Module 1 Exam Review |
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Learning
True/False. A virus is classified as a microbe.
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. - ANSWER-False!
—
The smallest biological unit of life is the cell.
At a generalized level, all cells are comprised of what? - ANSWER-macromolecules
(proteins, lipids, nucleic acids, and polysaccharides)
, Proteins are formed from various combinations of _________ of which there are
_________ known forms. - ANSWER-amino acids 20
Define an essential amino acid. - 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? - 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 responsible for deciphering the
hereditary information in DNA and using it to synthesize proteins.
Complete the following RNA strand, and indicate how many bonds are formed for
each complementary pair:
3' GGUCAUCG 5'
5' CC AGC 3' - ANSWER-3' GGUCAUCG 5'
5' CCAGUAGC 3'
There are 2 bonds formed between A and U, and 3 bonds between G and C.
The plasma membrane (select all that are true): - ANSWER-Is often a bilayer
comprised of lipids
Contains hydrophobic tails pointing inward
Microbiology w/Lab 2026 |
Module 1 Exam Review |
LockDown Browser |Portage
Learning
True/False. A virus is classified as a microbe.
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. - ANSWER-False!
—
The smallest biological unit of life is the cell.
At a generalized level, all cells are comprised of what? - ANSWER-macromolecules
(proteins, lipids, nucleic acids, and polysaccharides)
, Proteins are formed from various combinations of _________ of which there are
_________ known forms. - ANSWER-amino acids 20
Define an essential amino acid. - 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? - 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 responsible for deciphering the
hereditary information in DNA and using it to synthesize proteins.
Complete the following RNA strand, and indicate how many bonds are formed for
each complementary pair:
3' GGUCAUCG 5'
5' CC AGC 3' - ANSWER-3' GGUCAUCG 5'
5' CCAGUAGC 3'
There are 2 bonds formed between A and U, and 3 bonds between G and C.
The plasma membrane (select all that are true): - ANSWER-Is often a bilayer
comprised of lipids
Contains hydrophobic tails pointing inward
