251 Week 1 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which phase of the cell cycle is responsible for growth and
normal metabolic activities?
A. S phase
B. G1 phase
C. G2 phase
D. M phase
Correct Answer: B
Rationale: G1 phase is the growth phase where the cell performs
normal functions before DNA replication.
2. DNA replication occurs during which phase?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
,Correct Answer: B
Rationale: S phase is dedicated to the synthesis of DNA.
3. Which organelle is known as the powerhouse of the cell?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria produce ATP through cellular respiration.
4. Which organelle digests waste materials and old organelles?
A. Lysosome
B. Golgi apparatus
C. Ribosome
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes contain hydrolytic enzymes for intracellular
digestion.
5. Facilitated diffusion requires:
A. ATP
B. Transport proteins
,C. Vesicles
D. Energy input
Correct Answer: B
Rationale: Facilitated diffusion uses transport proteins to move
molecules passively across membranes.
6. Which organelle modifies and packages proteins for transport?
A. Golgi apparatus
B. Ribosome
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Golgi apparatus sorts, modifies, and packages proteins
for delivery.
7. Which macromolecule provides rapid energy for cells?
A. Lipid
B. Carbohydrate
C. Protein
D. Nucleic acid
Correct Answer: B
Rationale: Glucose and other carbohydrates are the primary source
of quick energy.
, 8. Which organelle synthesizes lipids and detoxifies chemicals?
A. Smooth ER
B. Rough ER
C. Golgi apparatus
D. Lysosome
Correct Answer: A
Rationale: Smooth ER is responsible for lipid production and
detoxification.
9. Which macromolecule is composed of amino acids?
A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid
Correct Answer: B
Rationale: Proteins are polymers made from amino acids.
10. Which solution causes a cell to swell?
A. Hypertonic
B. Hypotonic
C. Isotonic
D. Acidic
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which phase of the cell cycle is responsible for growth and
normal metabolic activities?
A. S phase
B. G1 phase
C. G2 phase
D. M phase
Correct Answer: B
Rationale: G1 phase is the growth phase where the cell performs
normal functions before DNA replication.
2. DNA replication occurs during which phase?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
,Correct Answer: B
Rationale: S phase is dedicated to the synthesis of DNA.
3. Which organelle is known as the powerhouse of the cell?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria produce ATP through cellular respiration.
4. Which organelle digests waste materials and old organelles?
A. Lysosome
B. Golgi apparatus
C. Ribosome
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes contain hydrolytic enzymes for intracellular
digestion.
5. Facilitated diffusion requires:
A. ATP
B. Transport proteins
,C. Vesicles
D. Energy input
Correct Answer: B
Rationale: Facilitated diffusion uses transport proteins to move
molecules passively across membranes.
6. Which organelle modifies and packages proteins for transport?
A. Golgi apparatus
B. Ribosome
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Golgi apparatus sorts, modifies, and packages proteins
for delivery.
7. Which macromolecule provides rapid energy for cells?
A. Lipid
B. Carbohydrate
C. Protein
D. Nucleic acid
Correct Answer: B
Rationale: Glucose and other carbohydrates are the primary source
of quick energy.
, 8. Which organelle synthesizes lipids and detoxifies chemicals?
A. Smooth ER
B. Rough ER
C. Golgi apparatus
D. Lysosome
Correct Answer: A
Rationale: Smooth ER is responsible for lipid production and
detoxification.
9. Which macromolecule is composed of amino acids?
A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid
Correct Answer: B
Rationale: Proteins are polymers made from amino acids.
10. Which solution causes a cell to swell?
A. Hypertonic
B. Hypotonic
C. Isotonic
D. Acidic
