Chamberlain College of Nursing: BIOS 242 Microbiology Week 3 Quiz / BIOS242 Microbiology Week 3 Quiz (2 NEW Versions)
BIOS 242 Microbiology Week 3 Quiz
... [Show More] / BIOS242 Microbiology Week 3 Quiz (2 NEW Versions): Chamberlain College of Nursing
BIOS 242 Quiz 3/ BIOS242 Quiz 3 (2 NEW Versions): Microbiology: Chamberlain College of Nursing
Question 1
(TCO 5) Catabolic reactions may be characterized as _____.
endergonic
Correct!
breaking large molecules into smaller molecules
forming large molecules from smaller molecules
photosynthetic
None of the above
Chapter 5, Catabolism and anabolism
Question 2
(TCO 5) Enzymes known as lyases participate in _____ reactions.
anabolicCorrect!
catabolic
both anabolic and catabolic
neither anabolic nor catabolic
oxidation-reduction
Chapter 5, Role of Enzymes in Metabolisms
Question 3
(TCO 5) During the Krebs cycle, _____.
either 36 or 38 ATP molecules are synthesized, depending on whether the organism is a prokaryote or a eukaryote
pyruvic acid is produced, lowering the pH of the cytoplasm
Correct!
electrons are transferred to NAD+ and FAD in the form of hydrogen atoms
NADH and FADH2 are oxidized
ribulose 5-phosphate is produced as an intermediate
Chapter 5, The Krebs Cycle
Question 4
(TCO 5) Anaerobic bacteria may use which of the following as final electron acceptors in respiration?
OxygenCorrect!
Nitrate
Ethanol
Methane
Hydrogen sulfide
Chapter 5, Electron Transport
Question 5
(TCO 6) An aligned pair of homologous chromosomes is called a _____.
chromatid
spindleCorrect!
tetrad
coenocyte
gamete
Chapter 12, Reproduction of Eukaryotes
Question 6
(TCO 6) Hyphae are associated with which of the following?
Yeasts
Algae
Correct!
Molds
Protozoa
Helminths
Chapter 12, Fungus
Question 7
(TCO 6) Lichens are composed of a symbiosis of fungi and which of the following?
Green algae
Cyanobacteria
EuglenoidsCorrect!
Cyanobacteria or green algae
Euglenoids or dinoflagellates
Chapter 12, Lichens
Question 8
(TCO 7) Host specificity of a virus is due to _____.
particular genes that it shares with the infected cell
the presence of an envelope
differences in size between the virus and the host cell
the presence or absence of a cell wall on the host cell
Correct
interactions between viral and cellular surface molecules
Chapter 13, Characteristics of Viruses
Question 9
(TCO 7) The phenomenon of transduction is associated with which of the stages of a bacteriophage infection cycle?
Attachment
Assembly
Release
Synthesis
Entry
Chapter 13, Viral Replication
Question 10
(TCO 7) The infectious particles of fungi have RNA genomes and lack a capsid. They are therefore similar to _____.
bacteriophages
enveloped viruses
prions
viroids
lysogens
Chapter 13, Other Parasitic Particles
Question 11
(TCO 5) Explain why fermentation is a necessary alternative to respiration in many cells.
VERSION 2
Question 1.1. (TCO 5) Anabolic reactions may be characterized as _____. (Points : 2)
exergonic
breaking large molecules into smaller molecules
forming large molecules from smaller molecules
producing ATP
None of the above
Question 2.2. (TCO 5) Enzymes known as lyases participate in _____ reactions. (Points : 2)
anabolic
catabolic
both anabolic and catabolic
neither anabolic nor catabolic
oxidation-reduction
Question 3.3. (TCO 5) Which of the following statements about fermentation is incorrect? (Points : 2)
Aerobic bacteria will undergo fermentation instead of cellular respiration when oxygen is present.
Fermentation results in the production of fewer ATP molecules than cellular respiration.
End products of fermentation include ethanol, and acetic acid.
The presence of fermentation end products is useful in identifying unknown bacteria in the laboratory.
Fermentation is involved in the production of a number of foods, including yogurt, sauerkraut, and cheese.
Question 4.4. (TCO 5) The metabolic processes called fermentation _____. (Points : 2)
produce substrates for the Krebs cycle
are alternatives for the pentose phosphate pathway
occur only when oxygen is not readily available
occur only when oxygen is readily available
produce substrates for glycolysis
Question 5.5. (TCO 6) An aligned pair of homologous chromosomes is called a _____. (Points : 2)
chromatid
spindle
tetrad
coenocyte
gamete
Question 6.6. (TCO 6) Study of fungus is called _____. (Points : 2)
fungology
mycology
pathology
toxicology
mushroomoology
Question 7.7. (TCO 6) Lichens are composed of a symbiosis of fungi and which of the following? (Points : 2)
Green algae
Cyanobacteria
Euglenoids
Cyanobacteria or green algae
Euglenoids or dinoflagellates
Question 8.8. (TCO 7) During the intracellular state, a virus exists as _____. (Points : 2)
a lipid
a protein
a nucleic acid
both a protein and a nucleic acid
both a lipid and a nucleic acid
Question 9.9. (TCO 7) Put the following stages of a lytic replication cycle in order from earliest to latest.
I. Synthesis
II. Assembly
III. Attachment
IV. Release
V. Entry (Points : 2)
III, V, I, II, IV
III, II, V, I, IV
V, III, II, IV, I
I, III, V, II, IV
I, II, III, V, IV
Question 10.10. (TCO 7) How are prions different from all other known infectious agents? (Points : 2)
They cannot reproduce outside a cell.
They act as slow viruses.
They cause neurological problems.
They can be destroyed by incineration.
They lack nucleic acid.
1. (TCO 5) Describe the mechanism of feedback inhibition and the role this process plays in controlling enzyme activity. (Points : 10) [Show Less]