BIOS 150 Week 1 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The basic unit of life is:
A. Cell
B. Atom
C. Tissue
D. Molecule
Correct Answer: A
Rationale:Cells are the smallest unit capable of carrying out life
processes.
2. Prokaryotic cells lack:
A. Nucleus
B. Cell membrane
C. Ribosomes
D. DNA
Correct Answer: A
Rationale:Their genetic material is free-floating in the cytoplasm.
,3. Eukaryotic cells contain:
A. Nucleus
B. No nucleus
C. Only DNA
D. Only ribosomes
Correct Answer: A
Rationale:DNA is enclosed within a membrane-bound nucleus.
4. The cell membrane is primarily composed of:
A. Phospholipid bilayer
B. Cellulose
C. DNA
D. Proteins only
Correct Answer: A
Rationale:Provides a selective barrier for materials entering and
leaving the cell.
5. The function of the nucleus is to:
A. Store genetic information
B. Produce energy
C. Digest nutrients
D. Produce ribosomes only
Correct Answer: A
Rationale:Contains DNA and controls cellular activities.
,6. Ribosomes are responsible for:
A. Protein synthesis
B. Lipid synthesis
C. Energy production
D. DNA replication
Correct Answer: A
Rationale:Translate mRNA into amino acid sequences.
7. Mitochondria are known as:
A. The powerhouse of the cell
B. Protein factories
C. DNA storage
D. Waste disposal
Correct Answer: A
Rationale:Produce ATP via cellular respiration.
8. Lysosomes function to:
A. Digest cellular waste
B. Produce ATP
C. Synthesize proteins
D. Store DNA
Correct Answer: A
Rationale:Contain enzymes that break down waste and foreign
material.
, 9. Golgi apparatus is responsible for:
A. Modifying and packaging proteins
B. DNA replication
C. Energy production
D. Protein translation
Correct Answer: A
Rationale:Prepares proteins and lipids for transport.
10. Endoplasmic reticulum (ER) functions include:
A. Protein and lipid synthesis
B. DNA replication
C. ATP production only
D. Cell division
Correct Answer: A
Rationale:Rough ER has ribosomes; smooth ER synthesizes lipids.
11. Chloroplasts are found in:
A. Plant cells
B. Animal cells
C. Fungi only
D. Bacteria only
Correct Answer: A
Rationale:Site of photosynthesis for energy production.
12. Cell wall is found in:
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The basic unit of life is:
A. Cell
B. Atom
C. Tissue
D. Molecule
Correct Answer: A
Rationale:Cells are the smallest unit capable of carrying out life
processes.
2. Prokaryotic cells lack:
A. Nucleus
B. Cell membrane
C. Ribosomes
D. DNA
Correct Answer: A
Rationale:Their genetic material is free-floating in the cytoplasm.
,3. Eukaryotic cells contain:
A. Nucleus
B. No nucleus
C. Only DNA
D. Only ribosomes
Correct Answer: A
Rationale:DNA is enclosed within a membrane-bound nucleus.
4. The cell membrane is primarily composed of:
A. Phospholipid bilayer
B. Cellulose
C. DNA
D. Proteins only
Correct Answer: A
Rationale:Provides a selective barrier for materials entering and
leaving the cell.
5. The function of the nucleus is to:
A. Store genetic information
B. Produce energy
C. Digest nutrients
D. Produce ribosomes only
Correct Answer: A
Rationale:Contains DNA and controls cellular activities.
,6. Ribosomes are responsible for:
A. Protein synthesis
B. Lipid synthesis
C. Energy production
D. DNA replication
Correct Answer: A
Rationale:Translate mRNA into amino acid sequences.
7. Mitochondria are known as:
A. The powerhouse of the cell
B. Protein factories
C. DNA storage
D. Waste disposal
Correct Answer: A
Rationale:Produce ATP via cellular respiration.
8. Lysosomes function to:
A. Digest cellular waste
B. Produce ATP
C. Synthesize proteins
D. Store DNA
Correct Answer: A
Rationale:Contain enzymes that break down waste and foreign
material.
, 9. Golgi apparatus is responsible for:
A. Modifying and packaging proteins
B. DNA replication
C. Energy production
D. Protein translation
Correct Answer: A
Rationale:Prepares proteins and lipids for transport.
10. Endoplasmic reticulum (ER) functions include:
A. Protein and lipid synthesis
B. DNA replication
C. ATP production only
D. Cell division
Correct Answer: A
Rationale:Rough ER has ribosomes; smooth ER synthesizes lipids.
11. Chloroplasts are found in:
A. Plant cells
B. Animal cells
C. Fungi only
D. Bacteria only
Correct Answer: A
Rationale:Site of photosynthesis for energy production.
12. Cell wall is found in:
