Microbio uark exam 2 Questions With Complete Solutions
Streptococcus, which lacks an enzyme in the Kreb's Cycle
All of the above
In a test tube of medium constantly exposed to oxygen at the
surface of the medium, E. coli, which can respire and ferment,
forms some acidic fermentation products. This occurs because
Oxygen is being depleted at the bottom of the tube
Which of the following is NOT a characteristic of fermentation?
All of the above are characteristics of fermentation
Once pyruvic acid enters the fermentation reactions, the most
important and direct product of fermentation that benefits the
fermenting cell is
NAD+
The proton motive force is
None of the above
Phosphorylation
Is the addition of phosphate to a molecule
Which statement is true?
,Electrons on NADH have more energy than electrons that are
transferredto oxygen
The conversion of pyruvic acid to lactic acid is an example of
Reduction
ATP synthase
Is the site of oxidative phosphorylation
Which statement is true?
Amino acids enter the Core Pathways at glycolysis and the
Kreb's Cycle
Which statement is true?
Catabolism involves oxidation reactions and reduction reactions
The correct sequence of events in an animal virus lytic infection
cycle is
Attachment, penetration, uncoating, biosynthesis, maturation
and release
Viruses
Vary in shape and contain nucleic acid
A viral envelope is acquired during which of the following
steps?
Release
Viruses are not considered living because
They do not produce ATP or have ribosomes
, A disease caused by viroids is
potato spindle tuber disease
Lysogenic conversion is
When a lysogenized cell simply has a new characteristic
If you were setting up an experiment on viruses, which of the
following wouldbe important to maintain the viruses used in the
experiment?
Host cells
Bovine spongiform encephalopathy
Is none of the above.
Oncogenic viruses
Cause some forms of cancer
Which statement is true?
All enzymes only catalyze spontaneous reactions
Enzyme activity is influenced by
Substrate concentration, acidity & alkalinity and temperature
Which of the following are nutrients for bacteria?
Amino acids, ammonium ion, glucose
Nitrogen fixation
Someday might put a dent into the world hunger problem
Superoxide dismutase
All of the above
Streptococcus, which lacks an enzyme in the Kreb's Cycle
All of the above
In a test tube of medium constantly exposed to oxygen at the
surface of the medium, E. coli, which can respire and ferment,
forms some acidic fermentation products. This occurs because
Oxygen is being depleted at the bottom of the tube
Which of the following is NOT a characteristic of fermentation?
All of the above are characteristics of fermentation
Once pyruvic acid enters the fermentation reactions, the most
important and direct product of fermentation that benefits the
fermenting cell is
NAD+
The proton motive force is
None of the above
Phosphorylation
Is the addition of phosphate to a molecule
Which statement is true?
,Electrons on NADH have more energy than electrons that are
transferredto oxygen
The conversion of pyruvic acid to lactic acid is an example of
Reduction
ATP synthase
Is the site of oxidative phosphorylation
Which statement is true?
Amino acids enter the Core Pathways at glycolysis and the
Kreb's Cycle
Which statement is true?
Catabolism involves oxidation reactions and reduction reactions
The correct sequence of events in an animal virus lytic infection
cycle is
Attachment, penetration, uncoating, biosynthesis, maturation
and release
Viruses
Vary in shape and contain nucleic acid
A viral envelope is acquired during which of the following
steps?
Release
Viruses are not considered living because
They do not produce ATP or have ribosomes
, A disease caused by viroids is
potato spindle tuber disease
Lysogenic conversion is
When a lysogenized cell simply has a new characteristic
If you were setting up an experiment on viruses, which of the
following wouldbe important to maintain the viruses used in the
experiment?
Host cells
Bovine spongiform encephalopathy
Is none of the above.
Oncogenic viruses
Cause some forms of cancer
Which statement is true?
All enzymes only catalyze spontaneous reactions
Enzyme activity is influenced by
Substrate concentration, acidity & alkalinity and temperature
Which of the following are nutrients for bacteria?
Amino acids, ammonium ion, glucose
Nitrogen fixation
Someday might put a dent into the world hunger problem
Superoxide dismutase
All of the above
