BIOS 255 Week 4 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which organelle is the site of ATP production?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Lysosome
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
2. Which organelle conducts photosynthesis in plant cells?
A. Mitochondria
B. Chloroplast
C. Golgi apparatus
D. Ribosome
Correct Answer: B
Rationale: Chloroplasts convert light energy into chemical energy.
3. Which organelle is responsible for protein synthesis?
,A. Ribosome
B. Lysosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
4. Which organelle modifies and packages proteins for transport?
A. Rough ER
B. Golgi apparatus
C. Smooth ER
D. Lysosome
Correct Answer: B
Rationale: Golgi apparatus processes and directs proteins to their
destinations.
5. Which organelle synthesizes lipids and detoxifies chemicals?
A. Rough ER
B. Smooth ER
C. Lysosome
D. Ribosome
Correct Answer: B
Rationale: Smooth ER is involved in lipid synthesis and
detoxification.
,6. Which organelle contains digestive enzymes to break down
macromolecules?
A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes digest cellular waste and macromolecules.
7. Which macromolecule forms the main structural component of
cell membranes?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
Correct Answer: B
Rationale: Phospholipids create the bilayer of cell membranes.
8. Which type of bond connects water molecules?
A. Covalent
B. Hydrogen
C. Ionic
D. Peptide
Correct Answer: B
, Rationale: Hydrogen bonds give water its cohesion and high surface
tension.
9. Which bond links amino acids in proteins?
A. Hydrogen
B. Peptide
C. Ionic
D. Covalent
Correct Answer: B
Rationale: Peptide bonds form the primary structure of proteins.
10. Which biomolecule stores genetic information?
A. Lipids
B. Proteins
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: DNA and RNA carry hereditary information.
11. Which sugar is present in DNA?
A. Ribose
B. Deoxyribose
C. Glucose
D. Fructose
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which organelle is the site of ATP production?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Lysosome
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
2. Which organelle conducts photosynthesis in plant cells?
A. Mitochondria
B. Chloroplast
C. Golgi apparatus
D. Ribosome
Correct Answer: B
Rationale: Chloroplasts convert light energy into chemical energy.
3. Which organelle is responsible for protein synthesis?
,A. Ribosome
B. Lysosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
4. Which organelle modifies and packages proteins for transport?
A. Rough ER
B. Golgi apparatus
C. Smooth ER
D. Lysosome
Correct Answer: B
Rationale: Golgi apparatus processes and directs proteins to their
destinations.
5. Which organelle synthesizes lipids and detoxifies chemicals?
A. Rough ER
B. Smooth ER
C. Lysosome
D. Ribosome
Correct Answer: B
Rationale: Smooth ER is involved in lipid synthesis and
detoxification.
,6. Which organelle contains digestive enzymes to break down
macromolecules?
A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Smooth ER
Correct Answer: A
Rationale: Lysosomes digest cellular waste and macromolecules.
7. Which macromolecule forms the main structural component of
cell membranes?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
Correct Answer: B
Rationale: Phospholipids create the bilayer of cell membranes.
8. Which type of bond connects water molecules?
A. Covalent
B. Hydrogen
C. Ionic
D. Peptide
Correct Answer: B
, Rationale: Hydrogen bonds give water its cohesion and high surface
tension.
9. Which bond links amino acids in proteins?
A. Hydrogen
B. Peptide
C. Ionic
D. Covalent
Correct Answer: B
Rationale: Peptide bonds form the primary structure of proteins.
10. Which biomolecule stores genetic information?
A. Lipids
B. Proteins
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: DNA and RNA carry hereditary information.
11. Which sugar is present in DNA?
A. Ribose
B. Deoxyribose
C. Glucose
D. Fructose
