Microbiology 020 - General Microbiology » Spring 2022 » Review Quiz 3

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Question #1
Which is true about bacterial metabolism?
A.   not catalyzed by enzymes
B.   unaffected by environmental chnges
C.   exclusively anaerobic
D.   extremely diverse
Question #2
Which of these metabolic reactions is energy-releasing & catabolic?
A.   glucose broken down into pyruvate
B.   ADP + phosphate into ATP
C.   glucose formed from water & CO2
Question #3
The rate of chemical reaction of bacteria living in our body decreases abruptly at extremely high temperature.
A.   False
B.   True
Question #4
The early steps in glycolysis involve the ________________.
A.   use of oxygen gas
B.   making of ATP
C.   release of carbon dioxide
D.   use of ATP
Question #5
What happens to pyruvic acid produced by human cells in the absence of O2?
A.   It gets converted to lactic acid.
B.   It gets further broken down into carbon dioxide & water.
C.   It gets converted to ethyl alcohol.
Question #6
In aerobic respiration, energy needed to make ATP comes from ___________.
A.   carbon dioxide
B.   water
C.   oxygen gas
D.   glucose
Question #7
Like carbohydrates, ______________ may be catabolized to yield ATP molecules.
A.   fats
B.   water & carbon dioxide
C.   ADP & phosphate
Question #8
When cells require energy to do work, ATP is _____________________.
A.   converted into carbon dioxide & water
B.   broken down into ADP & phosphate
C.   synthesized using ADP & phosphate
Question #9
_____________________ are protein catalysts.
A.   Products
B.   Intermediates
C.   Enzymes
D.   Substrates
Question #10
In metabolically efficient bacteria, the same enzyme may be used for different types of chemical reactions.
A.   True
B.   False

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