
Understanding the Electron Transport Chain
Interactive Video
•
Biology, Science
•
10th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of the electron transport chain in cellular respiration?
To synthesize proteins from amino acids
To convert oxygen into carbon dioxide
To generate ATP using NADH and FADH2
To break down glucose into pyruvate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecule is oxidized in the electron transport chain to release electrons?
Oxygen
FADH2
ATP
NADH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to electrons as they move through the electron transport chain?
They release energy and move to lower energy states
They are stored in the mitochondria
They gain energy and move to higher energy states
They are converted into protons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the proton gradient formed across the mitochondrial membrane?
It breaks down glucose
It causes the mitochondria to shrink
It leads to the production of water
It drives the synthesis of ATP
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do protons return to the mitochondrial matrix during ATP synthesis?
Through the outer membrane
Via ATP synthase
Through the electron transport chain
By diffusion through the cristae
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mechanical process is involved in ATP production by ATP synthase?
Axle spinning
Oxygen reduction
Electron transfer
Proton binding
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average ATP yield per NADH molecule in the electron transport chain?
1 ATP
4 ATP
2 ATP
3 ATP
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