Bacterial Genetics, Metabolism, and Structure Flashcards
The periplasmic space is required for:
a. Nutrient collection in both gram-positive and gram-negative
bacteria
b. Collection and enzymatic degradation of nutrients in gram-negative bacteria
c. Nutrient detoxification and enzymatic degradation in all bacteria
d. None of the above
b. Collection and enzymatic degradation of nutrients in gram-negative bacteria
Prokaryotic chromosomes:
a. Are double-stranded RNA molecules
b. Are single-copy, double-stranded DNA molecules
c. Are linear double-stranded DNA molecules
d. Are unable to replicate independently of plasmids
b. Are single-copy, double-stranded DNA molecules
Bacterial cells genetically evolve by:
a. Recombination with plasmids, transposons, and other bacterial
chromosomes
b. Mutation and recombination
c. Use of the mechanisms of transduction, transformation, and
conjugation
d. All of the above
d. All of the above
Transcription is the:
a. Copying of DNA to RNA
b. Changing of DNA to RNA
c. Production of a complementary DNA d. Completion of a protein sequence
a. Copying of DNA to RNA
A eukaryotic cell:
a. Is smaller and less complex than a prokaryotic cell b. Is able to grow only in aerobic conditions
c. Contains membrane-bound organelles
d. Is unable to grow outside of another cell
c. Contains membrane-bound organelles
Match each term with the correct description.
Capsule
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
d. provides a mechanism to evade the human immune system
Match each term with the correct description.
Replication
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
e. the process of making a new DNA molecule
Match each term with the correct description.
Repressor
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
a. involved in transcriptional regulation
Match each term with the correct description.
tRNA
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
f. involved in protein translation
Match each term with the correct description.
Facultative Anaerobe
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
b. able to grow in the presence or absence of oxygen
Match each term with the correct description.
Gram-negative
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
i. has an outer and inner membrane
Match each term with the correct description.
Gram-positive
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
g. contains a thick layer of peptidoglycan
Match each term with the correct description.
Aerobic
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
h. final electron acceptor is oxygen
Match each term with the correct description.
Cell envelope
a. involved in transcriptional regulation
b. able to grow in the presence or absence of oxygen
c. maintains selective permeability and cell shape
d. provides a mechanism to evade the human immune system
e. the process of making a new DNA molecule
f. involved in protein translation
g. contains a thick layer of peptidoglycan
h. final electron acceptor is oxygen
i. has an outer and inner membrane
c. maintains selective permeability and cell shape
Which chemical or physical property is essential for the conservation of genetic information?
a. complementation between base-pairs
b. double-stranded
c. anti-parallel structure
d. all are equally as important
d. all are equally as important
