BIOS 1110 Introductory Biology Exam 4
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which structure is responsible for controlling cell activities?
A. Ribosome
B. Nucleus
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: The nucleus contains DNA and regulates cell functions.
2. The site of protein synthesis is the:
A. Mitochondria
B. Ribosome
C. Vacuole
D. Nucleus
Correct Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
3. Which molecule stores genetic information?
,A. Protein
B. DNA
C. Lipid
D. Glucose
Correct Answer: B
Rationale: DNA carries hereditary instructions.
4. The process of making RNA from DNA is called:
A. Translation
B. Replication
C. Transcription
D. Mutation
Correct Answer: C
Rationale: Transcription produces RNA from DNA.
5. Which organelle produces ATP?
A. Chloroplast
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Correct Answer: C
Rationale: Mitochondria generate ATP through respiration.
6. The movement of water across a membrane is:
,A. Diffusion
B. Osmosis
C. Active transport
D. Endocytosis
Correct Answer: B
Rationale: Osmosis is water movement through a semipermeable
membrane.
7. Which process produces identical daughter cells?
A. Meiosis
B. Mitosis
C. Fertilization
D. Mutation
Correct Answer: B
Rationale: Mitosis produces genetically identical cells.
8. Which biomolecule forms enzymes?
A. Lipids
B. Carbohydrates
C. Proteins
D. Nucleic acids
Correct Answer: C
Rationale: Most enzymes are proteins.
9. Which organelle modifies and packages proteins?
, A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: B
Rationale: The Golgi processes and ships proteins.
10. Which process requires oxygen?
A. Fermentation
B. Anaerobic respiration
C. Aerobic respiration
D. Diffusion
Correct Answer: C
Rationale: Aerobic respiration uses oxygen to produce ATP.
11. The basic unit of life is the:
A. Organ
B. Tissue
C. Cell
D. System
Correct Answer: C
Rationale: All organisms are made of cells.
12. DNA replication occurs during:
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which structure is responsible for controlling cell activities?
A. Ribosome
B. Nucleus
C. Golgi apparatus
D. Lysosome
Correct Answer: B
Rationale: The nucleus contains DNA and regulates cell functions.
2. The site of protein synthesis is the:
A. Mitochondria
B. Ribosome
C. Vacuole
D. Nucleus
Correct Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
3. Which molecule stores genetic information?
,A. Protein
B. DNA
C. Lipid
D. Glucose
Correct Answer: B
Rationale: DNA carries hereditary instructions.
4. The process of making RNA from DNA is called:
A. Translation
B. Replication
C. Transcription
D. Mutation
Correct Answer: C
Rationale: Transcription produces RNA from DNA.
5. Which organelle produces ATP?
A. Chloroplast
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Correct Answer: C
Rationale: Mitochondria generate ATP through respiration.
6. The movement of water across a membrane is:
,A. Diffusion
B. Osmosis
C. Active transport
D. Endocytosis
Correct Answer: B
Rationale: Osmosis is water movement through a semipermeable
membrane.
7. Which process produces identical daughter cells?
A. Meiosis
B. Mitosis
C. Fertilization
D. Mutation
Correct Answer: B
Rationale: Mitosis produces genetically identical cells.
8. Which biomolecule forms enzymes?
A. Lipids
B. Carbohydrates
C. Proteins
D. Nucleic acids
Correct Answer: C
Rationale: Most enzymes are proteins.
9. Which organelle modifies and packages proteins?
, A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: B
Rationale: The Golgi processes and ships proteins.
10. Which process requires oxygen?
A. Fermentation
B. Anaerobic respiration
C. Aerobic respiration
D. Diffusion
Correct Answer: C
Rationale: Aerobic respiration uses oxygen to produce ATP.
11. The basic unit of life is the:
A. Organ
B. Tissue
C. Cell
D. System
Correct Answer: C
Rationale: All organisms are made of cells.
12. DNA replication occurs during:
