BIOS 150 Midterm Exam 1 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. The basic unit of life is:
A. Atom
B. Cell
C. Tissue
D. Organ
Correct Answer: B
Rationale:Cells carry out all essential life processes.
2. Prokaryotic cells lack:
A. Cytoplasm
B. Nucleus
C. Ribosomes
D. Plasma membrane
Correct Answer: B
Rationale:Genetic material is not enclosed in a membrane.
3. Eukaryotic cells have:
,A. Nucleus
B. No organelles
C. No plasma membrane
D. DNA free in cytoplasm
Correct Answer: A
Rationale:Genetic material is enclosed in a nuclear membrane.
4. The plasma membrane is mainly composed of:
A. Protein only
B. Phospholipid bilayer with proteins
C. DNA and RNA
D. Ribosomes
Correct Answer: B
Rationale:Controls movement of substances in and out of the cell.
5. Ribosomes are responsible for:
A. Energy production
B. Protein synthesis
C. Lipid storage
D. Cell division
Correct Answer: B
Rationale:They translate mRNA into proteins.
6. Mitochondria are the site of:
,A. Photosynthesis
B. ATP production
C. Protein synthesis
D. Lipid breakdown
Correct Answer: B
Rationale:They produce energy via cellular respiration.
7. Chloroplasts are found in:
A. Animal cells
B. Plant cells
C. Bacteria
D. Fungi
Correct Answer: B
Rationale:Contain chlorophyll for photosynthesis.
8. The nucleus contains:
A. Ribosomes
B. DNA and nucleolus
C. Lipids only
D. Mitochondria
Correct Answer: B
Rationale:Controls cell activity and stores genetic information.
9. The Golgi apparatus functions in:
, A. Protein packaging and secretion
B. ATP production
C. DNA replication
D. Cell signaling only
Correct Answer: A
Rationale:Processes and ships proteins and lipids.
10. Lysosomes contain:
A. Digestive enzymes
B. DNA
C. RNA only
D. Ribosomes
Correct Answer: A
Rationale:Break down macromolecules and damaged organelles.
11. The smooth endoplasmic reticulum (SER) functions in:
A. Protein synthesis
B. Lipid and steroid synthesis
C. DNA replication
D. ATP production
Correct Answer: B
Rationale:Synthesizes lipids and detoxifies substances.
12. The rough endoplasmic reticulum (RER) has:
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. The basic unit of life is:
A. Atom
B. Cell
C. Tissue
D. Organ
Correct Answer: B
Rationale:Cells carry out all essential life processes.
2. Prokaryotic cells lack:
A. Cytoplasm
B. Nucleus
C. Ribosomes
D. Plasma membrane
Correct Answer: B
Rationale:Genetic material is not enclosed in a membrane.
3. Eukaryotic cells have:
,A. Nucleus
B. No organelles
C. No plasma membrane
D. DNA free in cytoplasm
Correct Answer: A
Rationale:Genetic material is enclosed in a nuclear membrane.
4. The plasma membrane is mainly composed of:
A. Protein only
B. Phospholipid bilayer with proteins
C. DNA and RNA
D. Ribosomes
Correct Answer: B
Rationale:Controls movement of substances in and out of the cell.
5. Ribosomes are responsible for:
A. Energy production
B. Protein synthesis
C. Lipid storage
D. Cell division
Correct Answer: B
Rationale:They translate mRNA into proteins.
6. Mitochondria are the site of:
,A. Photosynthesis
B. ATP production
C. Protein synthesis
D. Lipid breakdown
Correct Answer: B
Rationale:They produce energy via cellular respiration.
7. Chloroplasts are found in:
A. Animal cells
B. Plant cells
C. Bacteria
D. Fungi
Correct Answer: B
Rationale:Contain chlorophyll for photosynthesis.
8. The nucleus contains:
A. Ribosomes
B. DNA and nucleolus
C. Lipids only
D. Mitochondria
Correct Answer: B
Rationale:Controls cell activity and stores genetic information.
9. The Golgi apparatus functions in:
, A. Protein packaging and secretion
B. ATP production
C. DNA replication
D. Cell signaling only
Correct Answer: A
Rationale:Processes and ships proteins and lipids.
10. Lysosomes contain:
A. Digestive enzymes
B. DNA
C. RNA only
D. Ribosomes
Correct Answer: A
Rationale:Break down macromolecules and damaged organelles.
11. The smooth endoplasmic reticulum (SER) functions in:
A. Protein synthesis
B. Lipid and steroid synthesis
C. DNA replication
D. ATP production
Correct Answer: B
Rationale:Synthesizes lipids and detoxifies substances.
12. The rough endoplasmic reticulum (RER) has:
