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WorksheetsCell Respiration 09.21
Total questions: 15
Worksheet time: 15mins
Oxidation is...
Gain of electrons
Loss of electrons
Gain of Hydrogen atoms
Loss of Hydrogen atoms
A reaction with a positive ΔH and a negative ΔS
can go forward by
High temperature only
Low temperature only
Enzyme
Energy coupling
An inhibitor:
Decreases ATP production only
Decreases oxygen consumption only
Decreases water production only
Decreases all of the above
An uncoupler:
Decreases oxygen consumption only
Decreases ATP production only
Decreases proton gradient only
Decreases all of the above
Which process uses NAD+
Glycolysis
Pyruvate Oxidation
The Krebs Cycle
All of the above
Where does pyruvate oxidation occur?
Mitochondrial matrix
Nucleus
Cytoplasm
Mitochondrial innermembrane
What are the products of The Kreb Cycle?
NADH
FADH2
CO2
All of the above
How much net ATP is made by glycolysis?
32
34
2
4
How many acetyl CoA molecules are made by one glucose molecule?
1
2
3
4
How many net NADH molecules does glycolysis produce?
1
3
2
4
A reaction with a positive ΔH and a positive ΔS
needs what to be spontaneous?
High temperature
Low temperature
A catalyst
An enzyme
What type of inhibition works by binding to the active sites?
Feedback
Allosteric
Competitive
Non-Competitive
What is the function of protein complexes I-IV?
To make ATP
To make NADH
To make FADH2
To maintain the proton gradient
True or False? Electrons lose energy as they pass through ETC proteins.
True
False
How many CO2 molecules are made in pyruvate oxidation?
1
2
3
4
