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Worksheets10 20 AP BIO CR Practice
Total questions: 20
Worksheet time: 21mins
Glycolysis splits glucose into 2 molecules of
Acetyl CoA
pyruvate
citric acid
fructokinase
In the absence of oxygen, ____ follows glycolysis.
the link reaction
the citric acid cycle
fermentation
the calvin cycle
During the link reaction (a.k.a. transition reaction), electrons from pyruvate are accepted by:
NAD+
NADH
FADH2
oxygen
Chemiosmosis occurs as H+ ions move through ____ in the cristae, making ATP.
foldings
ATP synthase
protein channels
What produces ATP during glycolysis?
chemiosmosis
oxidative phosphorylation
substrate level phosphorylation
fermentation
During fermentation, _____ is regenerated and it returns to glycolysis to pick up more electrons.
ATP
glucose
pyruvate
NAD+
Which is exergonic?
catabolism
anabolism
The final electron acceptor in the electron transport system is _____.
water
NAD+
oxygen
FADH2
Which of the following is a product of the Electron Transport Chain?
CO2
O2
C6H1206
H2O
A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?
As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.
As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.
The cells will never run out of oxygen if the weightlifter is breathing.
As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.
Which statement is true according to the image?
A: endergonic; B: exergonic
A: exothermic; B: endothermic
A: exergonic; B: endergonic
A: endothermic; B: exothermic
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