BIOS 1110 Introductory Biology Exam 2
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which molecule is the primary energy source for cells?
A. DNA
B. ATP
C. RNA
D. Lipids
Correct Answer: B
Rationale: ATP is the immediate energy currency of the cell.
2. The organelle responsible for protein synthesis is:
A. Mitochondria
B. Ribosome
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
3. Which structure controls cell activities?
,A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Vacuole
Correct Answer: C
Rationale: The nucleus contains DNA and controls cell functions.
4. What is the function of the cell membrane?
A. Energy production
B. Protein synthesis
C. Selective transport
D. DNA storage
Correct Answer: C
Rationale: The membrane controls what enters and exits the cell.
5. Which process makes RNA from DNA?
A. Translation
B. Replication
C. Transcription
D. Mutation
Correct Answer: C
Rationale: Transcription produces RNA from DNA.
6. Where does cellular respiration occur?
,A. Chloroplast
B. Mitochondria
C. Nucleus
D. Ribosome
Correct Answer: B
Rationale: Mitochondria produce ATP through respiration.
7. Which biomolecule stores genetic information?
A. Proteins
B. Lipids
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: DNA and RNA are nucleic acids.
8. Movement of molecules from high to low concentration is:
A. Active transport
B. Diffusion
C. Endocytosis
D. Osmosis
Correct Answer: B
Rationale: Diffusion is passive movement down a gradient.
9. Water movement across a membrane is:
, A. Diffusion
B. Osmosis
C. Active transport
D. Filtration
Correct Answer: B
Rationale: Osmosis is the movement of water.
10. The basic structural unit of life is:
A. Tissue
B. Organ
C. Cell
D. Organ system
Correct Answer: C
Rationale: The cell is the smallest unit of life.
11. Which organelle modifies and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Mitochondria
Correct Answer: B
Rationale: The Golgi processes and packages proteins.
12. Which process produces identical daughter cells?
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which molecule is the primary energy source for cells?
A. DNA
B. ATP
C. RNA
D. Lipids
Correct Answer: B
Rationale: ATP is the immediate energy currency of the cell.
2. The organelle responsible for protein synthesis is:
A. Mitochondria
B. Ribosome
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
3. Which structure controls cell activities?
,A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Vacuole
Correct Answer: C
Rationale: The nucleus contains DNA and controls cell functions.
4. What is the function of the cell membrane?
A. Energy production
B. Protein synthesis
C. Selective transport
D. DNA storage
Correct Answer: C
Rationale: The membrane controls what enters and exits the cell.
5. Which process makes RNA from DNA?
A. Translation
B. Replication
C. Transcription
D. Mutation
Correct Answer: C
Rationale: Transcription produces RNA from DNA.
6. Where does cellular respiration occur?
,A. Chloroplast
B. Mitochondria
C. Nucleus
D. Ribosome
Correct Answer: B
Rationale: Mitochondria produce ATP through respiration.
7. Which biomolecule stores genetic information?
A. Proteins
B. Lipids
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: DNA and RNA are nucleic acids.
8. Movement of molecules from high to low concentration is:
A. Active transport
B. Diffusion
C. Endocytosis
D. Osmosis
Correct Answer: B
Rationale: Diffusion is passive movement down a gradient.
9. Water movement across a membrane is:
, A. Diffusion
B. Osmosis
C. Active transport
D. Filtration
Correct Answer: B
Rationale: Osmosis is the movement of water.
10. The basic structural unit of life is:
A. Tissue
B. Organ
C. Cell
D. Organ system
Correct Answer: C
Rationale: The cell is the smallest unit of life.
11. Which organelle modifies and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Mitochondria
Correct Answer: B
Rationale: The Golgi processes and packages proteins.
12. Which process produces identical daughter cells?
