IB Krebs Cycle
Authored by Alessandra Battig-Taylor
Biology
12th Grade
NGSS covered
Used 6+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of oxaloacetate in the Krebs cycle?
Initiating the cycle by combining with acetyl-CoA to form citrate
Inhibiting the production of ATP in the cycle
Breaking down citrate into oxaloacetate
Combining with pyruvate to form acetyl-CoA
Tags
NGSS.HS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules of NADH are produced in one turn of the Krebs cycle?
5
1
3
10
Tags
NGSS.HS-LS1-7
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is the role of FAD+ in the Krebs cycle?
oxidizing agent
reducing agent
accepts electrons
donates electrons
Tags
NGSS.HS-LS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules of FADH2 are produced in one turn of the Krebs cycle?
3
0
1
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules of ATP are produced in one turn of the Krebs cycle?
5
10
3
1
Tags
NGSS.HS-LS1-7
NGSS.HS-LS2-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecule is made in the link reaction and needed to initiate the Kreb's cycle?
oxaloacetate
acetyl-CoA
pyruvate
citrate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process in the Krebs cycle directly produces ATP?
Citric acid cycle
oxidative decarboxylation
Substrate-level phosphorylation
Glycolysis
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