Micro Biology 220 Lecture 3 Quiz
Microbiology 220: Lecture 3 Quiz
Test your knowledge on key concepts of anaerobic respiration, fermentation, and the intricacies of the electron transport chain with our engaging quiz. Perfect for students reviewing for exams or anyone interested in microbiology!
- 15 challenging questions
- Multiple choice format
- Instant feedback on your answers
In anaerobic respiration, the final electron acceptor in the electron transport chain is molecular oxygen (O2)
True
False
How many molecules of ATP can NADH and FADH produce in the electron transport chain?
NADH = 3 ATP; FADH =2 ATP
NADH = 2ATP; FADH = 3ATP
NADH = 3 ATP ; FADH = 1 ATP
NADH = 6 ATP; FADH = 2 ATP
Oxidative phosphorylation occurs after the electron transport chain.
True
False
Which is NOT true of the fermentation process?
It does not use the Krebs Cycle or the electron transport chain.
Produces only a small amount of ATP
Its final electron acceptor is an inorganic molecule
Anaerobic
None of the above
When an inhibitor binds reversibly It will slow down enzymatic activity, but adding more substrate can overcome this.
True
False
Which describes oxidative phosphorlyation?
The adding of a phosphate group to ADP to form ATP
The indirect generation of ATP as electrons are transferred along an electron transport chain that releases energy.
The formation of ATP by an enzyme directly transferring a phosphate group to ADP.
The conversion of light energy into ATP as electrons from chlorophyll pass through ETC
The pentose phosphate pathway is an alternative pathway for glycolysis.
True
False
Why is oxaloacetic acid important?
It is the starting and ending molecule for glycolysis
It is the ending molecule for the Krebs cycle.
It is the starting molecule for the Krebs
It is the starting and ending molecule for the Krebs cycle.
Light dependent reactions is the conversion of light energy into chemical energy.
True
False
What is Rubisco?
The least abundant enzyme on earth that catalyzes carbon fixation.
The most abundant enzyme on earth that catalyzes photolysis.
The most abundant on earth that destroys carbon fixation
The most abundant enzyme on earth that catalyzes carbon fixation
Carbon fixation is when an organic carbon is added to an inorganic molecule to make another molecule.
True
False
Which 'troph' matches its definition?
Hemoheterotrophs use energy and carbon from inorganic chemicals
Photoheterotrophs uses organic compounds as sources of carbon; oxygenic
Chemoautotrophs uses energy from inorganic chemicals + CO2 as carbon source
Phototrophs uses carbon as energy source
None of the above
Alcohol fermentation produces ethanal and CO2.
True
False
Which enzyme is allosteric in glycolysis?
Hexokinase
Phosphofructokinase
Cellulase
Amylase
Ribozymes are DNA molecules that cut and splice DNA during protein synthesis
True
False
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