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Description: This BIO 152 Module 2 Exam (2024 version) requires Respondus
LockDown Browser and Webcam. Includes 100% verified questions and answers
on cellular processes, enzyme function, and energy transfer in biology. Perfect for
introductory biology students.
Keywords: BIO 152 Module 2 Exam Biology Respondus LockDown Browser Cell
Processes Enzymes Verified Answers Ready to level up
1. What is the primary purpose of cellular respiration?
A) To produce glucose
B) To release energy from glucose for cellular work
C) To synthesize proteins from amino acids
D) To convert light energy into chemical energy
2. Which organelle is the site of aerobic cellular respiration in eukaryotic cells?
A) Nucleus
B) Chloroplast
C) Ribosome
D) Mitochondrion
3. The process of glycolysis occurs in the:
A) Mitochondrial matrix
B) Cytosol
C) Inner mitochondrial membrane
D) Stroma
,4. The final electron acceptor in the electron transport chain of aerobic
respiration is:
A) NAD+
B) Water (H₂O)
C) Oxygen (O₂)
D) Carbon dioxide (CO₂)
5. Which of the following is a net product of glycolysis?
A) Glucose
B) FADH₂
C) Pyruvate
D) Acetyl CoA
6. The Krebs cycle (Citric Acid Cycle) takes place in the:
A) Cytosol
B) Outer mitochondrial membrane
C) Mitochondrial matrix
D) Intermembrane space
7. Most of the ATP produced in cellular respiration is generated by:
A) Substrate-level phosphorylation
B) Oxidative phosphorylation
C) Photophosphorylation
D) Glycolysis
8. Fermentation regenerates ______, allowing glycolysis to continue.
A) Oxygen
B) Pyruvate
C) NAD+
D) Glucose
9. In the absence of oxygen, yeast cells will convert pyruvate into:
A) Lactic acid
B) Ethanol and CO₂
, C) Acetyl CoA
D) Oxaloacetate
10. Lactic acid fermentation commonly occurs in:
A) Plant cells
B) Yeast cells
C) Muscle cells
D) All prokaryotic cells
11. The molecule that enters the Krebs cycle is:
A) Pyruvate
B) Glucose
C) Citric acid
D) Acetyl CoA
12. Which stage of cellular respiration produces the most CO₂?
A) Glycolysis
B) The Krebs Cycle
C) The Electron Transport Chain
D) Fermentation
13. The inner mitochondrial membrane is the location of:
A) Glycolysis
B) The Krebs Cycle
C) The Electron Transport Chain
D) The formation of Acetyl CoA
14. What is chemiosmosis?
A) The breakdown of glucose into pyruvate
B) The formation of a proton gradient to drive ATP synthesis
C) The cycle that produces citric acid
D) The transfer of electrons between membrane proteins
15. ATP synthase is powered by the flow of:
A) Electrons