Citric Acid Cycle Worksheet
Grade 10 Science worksheet covering the Citric Acid Cycle (Krebs Cycle), its stages, inputs, outputs, and significance in cellular respiration.
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Citric Acid Cycle Worksheet
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Read each question carefully and answer to the best of your knowledge. This worksheet tests your understanding of the Citric Acid Cycle, also known as the Krebs Cycle.
1. Where in the cell does the Citric Acid Cycle primarily occur?
Cytoplasm
Mitochondrial matrix
Nucleus
Endoplasmic reticulum
2. What molecule enters the Citric Acid Cycle by combining with oxaloacetate?
Glucose
Pyruvate
Acetyl-CoA
ATP
3. The Citric Acid Cycle is also known as the .
4. For each molecule of Acetyl-CoA that enters the cycle, molecules of CO2 are released.
5. The primary purpose of the Citric Acid Cycle is to produce high-energy electron carriers like and .
6. The Citric Acid Cycle is an anaerobic process.
True
False
7. FADH2 is a product of the Citric Acid Cycle.
True
False
Match the molecule with its role in the Citric Acid Cycle.
8. Oxaloacetate
a. Initial reactant with Acetyl-CoA
9. Citrate
b. Six-carbon molecule formed first
10. NADH
c. High-energy electron carrier
11. Briefly explain the significance of the Citric Acid Cycle in overall cellular respiration.
12. What are the main products of the Citric Acid Cycle that proceed to the electron transport chain?
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