BIOS 251 Final Exam 4 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which structure controls the activities of the cell?
A. Ribosome
B. Nucleus
C. Golgi apparatus
D. Lysosome
Correct answer: B
Rationale: The nucleus contains DNA and regulates cell activities.
2. Which organelle is responsible for ATP production?
A. Golgi apparatus
B. Lysosome
C. Mitochondria
D. Ribosome
Correct answer: C
Rationale: Mitochondria generate energy in the form of ATP.
3. Which organelle synthesizes proteins?
A. Ribosome
B. Golgi
C. Lysosome
D. Smooth ER
Correct answer: A
Rationale: Ribosomes assemble amino acids into proteins.
,4. Which organelle modifies and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct answer: B
Rationale: Golgi processes and transports proteins.
5. Which organelle contains digestive enzymes?
A. Ribosome
B. Lysosome
C. ER
D. Nucleus
Correct answer: B
Rationale: Lysosomes break down cellular waste.
6. The fluid inside the cell is called:
A. Nucleus
B. Cytoplasm
C. Membrane
D. Matrix
Correct answer: B
Rationale: Cytoplasm contains organelles.
7. Which structure regulates entry and exit of substances?
A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Ribosome
Correct answer: B
Rationale: Cell membrane is selectively permeable.
, 8. The cell membrane is composed mainly of:
A. Proteins only
B. Lipids only
C. Phospholipids and proteins
D. DNA
Correct answer: C
Rationale: Phospholipid bilayer forms membrane.
9. Diffusion moves substances:
A. Against gradient
B. With ATP
C. Down concentration gradient
D. Through nucleus
Correct answer: C
Rationale: From high to low concentration.
10. Osmosis is movement of:
A. Solute
B. Protein
C. Water
D. Lipid
Correct answer: C
Rationale: Water crosses membrane.
11. Active transport requires:
A. No energy
B. ATP
C. Oxygen only
D. Protein only
Correct answer: B
Rationale: Energy is needed to move against gradient.
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which structure controls the activities of the cell?
A. Ribosome
B. Nucleus
C. Golgi apparatus
D. Lysosome
Correct answer: B
Rationale: The nucleus contains DNA and regulates cell activities.
2. Which organelle is responsible for ATP production?
A. Golgi apparatus
B. Lysosome
C. Mitochondria
D. Ribosome
Correct answer: C
Rationale: Mitochondria generate energy in the form of ATP.
3. Which organelle synthesizes proteins?
A. Ribosome
B. Golgi
C. Lysosome
D. Smooth ER
Correct answer: A
Rationale: Ribosomes assemble amino acids into proteins.
,4. Which organelle modifies and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct answer: B
Rationale: Golgi processes and transports proteins.
5. Which organelle contains digestive enzymes?
A. Ribosome
B. Lysosome
C. ER
D. Nucleus
Correct answer: B
Rationale: Lysosomes break down cellular waste.
6. The fluid inside the cell is called:
A. Nucleus
B. Cytoplasm
C. Membrane
D. Matrix
Correct answer: B
Rationale: Cytoplasm contains organelles.
7. Which structure regulates entry and exit of substances?
A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Ribosome
Correct answer: B
Rationale: Cell membrane is selectively permeable.
, 8. The cell membrane is composed mainly of:
A. Proteins only
B. Lipids only
C. Phospholipids and proteins
D. DNA
Correct answer: C
Rationale: Phospholipid bilayer forms membrane.
9. Diffusion moves substances:
A. Against gradient
B. With ATP
C. Down concentration gradient
D. Through nucleus
Correct answer: C
Rationale: From high to low concentration.
10. Osmosis is movement of:
A. Solute
B. Protein
C. Water
D. Lipid
Correct answer: C
Rationale: Water crosses membrane.
11. Active transport requires:
A. No energy
B. ATP
C. Oxygen only
D. Protein only
Correct answer: B
Rationale: Energy is needed to move against gradient.
