BIOS 252 Lab Practical Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
it
1. Which organelle is the site of ATP production?
A. Mitochondria
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: A
Rationale: Mitochondria generate ATP via oxidative
phosphorylation.
2. Which organelle synthesizes proteins?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into polypeptides.
,3. Which organelle modifies, sorts, and packages proteins?
A. Golgi apparatus
B. Ribosome
C. Lysosome
D. Nucleus
Correct Answer: A
Rationale: Golgi processes proteins for secretion or use in the cell.
4. Which organelle digests cellular waste?
A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes contain hydrolytic enzymes for digestion.
5. Which organelle stores calcium in muscle cells?
A. Sarcoplasmic reticulum
B. Nucleus
C. Smooth ER
D. Mitochondria
Correct Answer: A
Rationale: Sarcoplasmic reticulum releases calcium for muscle
contraction.
,6. Which organelle detoxifies chemicals and synthesizes lipids?
A. Smooth ER
B. Rough ER
C. Golgi apparatus
D. Lysosome
Correct Answer: A
Rationale: Smooth ER lacks ribosomes and performs lipid
metabolism.
7. Which organelle contains DNA and controls cell functions?
A. Nucleus
B. Ribosome
C. Lysosome
D. Mitochondria
Correct Answer: A
Rationale: Nucleus houses genetic material and regulates
transcription.
8. Which organelle is responsible for protein secretion?
A. Rough ER
B. Smooth ER
C. Lysosome
D. Mitochondria
Correct Answer: A
, Rationale: Rough ER has ribosomes and transports proteins to
Golgi.
9. Which organelle synthesizes lipids and hormones?
A. Smooth ER
B. Rough ER
C. Ribosome
D. Golgi apparatus
Correct Answer: A
Rationale: Smooth ER is involved in lipid and steroid synthesis.
10. Which organelle breaks down hydrogen peroxide?
A. Peroxisome
B. Lysosome
C. Mitochondria
D. Smooth ER
Correct Answer: A
Rationale: Peroxisomes contain catalase to neutralize hydrogen
peroxide.
11. Which organelle forms spindle fibers during cell division?
A. Centriole
B. Nucleus
C. Golgi apparatus
D. Lysosome
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
it
1. Which organelle is the site of ATP production?
A. Mitochondria
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: A
Rationale: Mitochondria generate ATP via oxidative
phosphorylation.
2. Which organelle synthesizes proteins?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into polypeptides.
,3. Which organelle modifies, sorts, and packages proteins?
A. Golgi apparatus
B. Ribosome
C. Lysosome
D. Nucleus
Correct Answer: A
Rationale: Golgi processes proteins for secretion or use in the cell.
4. Which organelle digests cellular waste?
A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes contain hydrolytic enzymes for digestion.
5. Which organelle stores calcium in muscle cells?
A. Sarcoplasmic reticulum
B. Nucleus
C. Smooth ER
D. Mitochondria
Correct Answer: A
Rationale: Sarcoplasmic reticulum releases calcium for muscle
contraction.
,6. Which organelle detoxifies chemicals and synthesizes lipids?
A. Smooth ER
B. Rough ER
C. Golgi apparatus
D. Lysosome
Correct Answer: A
Rationale: Smooth ER lacks ribosomes and performs lipid
metabolism.
7. Which organelle contains DNA and controls cell functions?
A. Nucleus
B. Ribosome
C. Lysosome
D. Mitochondria
Correct Answer: A
Rationale: Nucleus houses genetic material and regulates
transcription.
8. Which organelle is responsible for protein secretion?
A. Rough ER
B. Smooth ER
C. Lysosome
D. Mitochondria
Correct Answer: A
, Rationale: Rough ER has ribosomes and transports proteins to
Golgi.
9. Which organelle synthesizes lipids and hormones?
A. Smooth ER
B. Rough ER
C. Ribosome
D. Golgi apparatus
Correct Answer: A
Rationale: Smooth ER is involved in lipid and steroid synthesis.
10. Which organelle breaks down hydrogen peroxide?
A. Peroxisome
B. Lysosome
C. Mitochondria
D. Smooth ER
Correct Answer: A
Rationale: Peroxisomes contain catalase to neutralize hydrogen
peroxide.
11. Which organelle forms spindle fibers during cell division?
A. Centriole
B. Nucleus
C. Golgi apparatus
D. Lysosome
