251 Week 1 Quiz Exam 1 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which structure separates the nucleus from the cytoplasm?
A. Ribosome
B. Nuclear envelope
C. Mitochondria
D. Endoplasmic reticulum
Correct Answer: B
Rationale: The nuclear envelope encloses the nucleus and controls
transport in and out.
2. The primary function of the rough ER is:
A. Lipid synthesis
B. Protein synthesis
C. Energy production
D. DNA replication
,Correct Answer: B
Rationale: Rough ER has ribosomes that produce proteins for
export or membrane use.
3. Which organelle is responsible for breaking down waste and
cellular debris?
A. Golgi apparatus
B. Lysosome
C. Ribosome
D. Mitochondria
Correct Answer: B
Rationale: Lysosomes contain digestive enzymes to degrade cellular
material.
4. Which macromolecule stores genetic information?
A. Carbohydrates
B. Proteins
C. Nucleic acids
D. Lipids
Correct Answer: C
Rationale: DNA and RNA store and transmit genetic instructions.
5. The main energy currency of the cell is:
,A. Glucose
B. ATP
C. DNA
D. RNA
Correct Answer: B
Rationale: ATP provides energy for cellular processes.
6. Which process involves movement of molecules from high to
low concentration?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B
Rationale: Diffusion is passive transport down a concentration
gradient.
7. Which type of macromolecule forms enzymes?
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic acids
Correct Answer: B
Rationale: Proteins serve as catalysts for biochemical reactions.
, 8. Which organelle is the site of ATP production?
A. Ribosome
B. Mitochondria
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: Mitochondria convert glucose into ATP through cellular
respiration.
9. Water moves across a membrane via:
A. Active transport
B. Osmosis
C. Diffusion of solutes
D. Endocytosis
Correct Answer: B
Rationale: Osmosis is the diffusion of water through a
semipermeable membrane.
10. Which molecule is a carbohydrate?
A. Glucose
B. DNA
C. Protein
D. Lipid
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which structure separates the nucleus from the cytoplasm?
A. Ribosome
B. Nuclear envelope
C. Mitochondria
D. Endoplasmic reticulum
Correct Answer: B
Rationale: The nuclear envelope encloses the nucleus and controls
transport in and out.
2. The primary function of the rough ER is:
A. Lipid synthesis
B. Protein synthesis
C. Energy production
D. DNA replication
,Correct Answer: B
Rationale: Rough ER has ribosomes that produce proteins for
export or membrane use.
3. Which organelle is responsible for breaking down waste and
cellular debris?
A. Golgi apparatus
B. Lysosome
C. Ribosome
D. Mitochondria
Correct Answer: B
Rationale: Lysosomes contain digestive enzymes to degrade cellular
material.
4. Which macromolecule stores genetic information?
A. Carbohydrates
B. Proteins
C. Nucleic acids
D. Lipids
Correct Answer: C
Rationale: DNA and RNA store and transmit genetic instructions.
5. The main energy currency of the cell is:
,A. Glucose
B. ATP
C. DNA
D. RNA
Correct Answer: B
Rationale: ATP provides energy for cellular processes.
6. Which process involves movement of molecules from high to
low concentration?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B
Rationale: Diffusion is passive transport down a concentration
gradient.
7. Which type of macromolecule forms enzymes?
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic acids
Correct Answer: B
Rationale: Proteins serve as catalysts for biochemical reactions.
, 8. Which organelle is the site of ATP production?
A. Ribosome
B. Mitochondria
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: Mitochondria convert glucose into ATP through cellular
respiration.
9. Water moves across a membrane via:
A. Active transport
B. Osmosis
C. Diffusion of solutes
D. Endocytosis
Correct Answer: B
Rationale: Osmosis is the diffusion of water through a
semipermeable membrane.
10. Which molecule is a carbohydrate?
A. Glucose
B. DNA
C. Protein
D. Lipid
