BIOS 242 Week 1 Quiz Exam 1 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which macromolecule is the main source of energy for cells?
A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid
Correct Answer: C. Carbohydrate
Rationale: Carbohydrates provide quick energy through glucose
metabolism.
2. Which macromolecule stores genetic information?
A. DNA
B. Protein
C. Lipid
D. Carbohydrate
Correct Answer: A. DNA
Rationale: DNA contains instructions for protein synthesis and
heredity.
,3. Which organelle is the site of ATP production?
A. Ribosome
B. Mitochondria
C. Golgi apparatus
D. Lysosome
Correct Answer: B. Mitochondria
Rationale: Cellular respiration occurs in mitochondria producing
ATP.
4. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Mitochondria
C. Nucleus
D. Endoplasmic reticulum
Correct Answer: A. Ribosome
Rationale: Ribosomes assemble amino acids into polypeptides.
5. Which organelle modifies, sorts, and packages proteins?
A. Golgi apparatus
B. Nucleus
C. Lysosome
D. Ribosome
Correct Answer: A. Golgi apparatus
Rationale: Prepares proteins for transport to their destination.
,6. Which type of cell division results in two identical daughter
cells?
A. Mitosis
B. Meiosis
C. Binary fission
D. Budding
Correct Answer: A. Mitosis
Rationale: Mitosis produces genetically identical cells for growth
and repair.
7. Which type of cell division produces gametes?
A. Mitosis
B. Meiosis
C. Binary fission
D. Budding
Correct Answer: B. Meiosis
Rationale: Reduces chromosome number by half for sexual
reproduction.
8. During which phase of mitosis do chromosomes align at the
center?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
, Correct Answer: B. Metaphase
Rationale: Chromosomes line up along the metaphase plate.
9. Which phase of mitosis separates sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Correct Answer: C. Anaphase
Rationale: Sister chromatids move toward opposite poles.
10. What is the functional unit of the kidney?
A. Nephron
B. Glomerulus
C. Loop of Henle
D. Collecting duct
Correct Answer: A. Nephron
Rationale: Nephrons filter blood and form urine.
11. Which structure of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Synapse
D. Myelin sheath
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which macromolecule is the main source of energy for cells?
A. Lipid
B. Protein
C. Carbohydrate
D. Nucleic acid
Correct Answer: C. Carbohydrate
Rationale: Carbohydrates provide quick energy through glucose
metabolism.
2. Which macromolecule stores genetic information?
A. DNA
B. Protein
C. Lipid
D. Carbohydrate
Correct Answer: A. DNA
Rationale: DNA contains instructions for protein synthesis and
heredity.
,3. Which organelle is the site of ATP production?
A. Ribosome
B. Mitochondria
C. Golgi apparatus
D. Lysosome
Correct Answer: B. Mitochondria
Rationale: Cellular respiration occurs in mitochondria producing
ATP.
4. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Mitochondria
C. Nucleus
D. Endoplasmic reticulum
Correct Answer: A. Ribosome
Rationale: Ribosomes assemble amino acids into polypeptides.
5. Which organelle modifies, sorts, and packages proteins?
A. Golgi apparatus
B. Nucleus
C. Lysosome
D. Ribosome
Correct Answer: A. Golgi apparatus
Rationale: Prepares proteins for transport to their destination.
,6. Which type of cell division results in two identical daughter
cells?
A. Mitosis
B. Meiosis
C. Binary fission
D. Budding
Correct Answer: A. Mitosis
Rationale: Mitosis produces genetically identical cells for growth
and repair.
7. Which type of cell division produces gametes?
A. Mitosis
B. Meiosis
C. Binary fission
D. Budding
Correct Answer: B. Meiosis
Rationale: Reduces chromosome number by half for sexual
reproduction.
8. During which phase of mitosis do chromosomes align at the
center?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
, Correct Answer: B. Metaphase
Rationale: Chromosomes line up along the metaphase plate.
9. Which phase of mitosis separates sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Correct Answer: C. Anaphase
Rationale: Sister chromatids move toward opposite poles.
10. What is the functional unit of the kidney?
A. Nephron
B. Glomerulus
C. Loop of Henle
D. Collecting duct
Correct Answer: A. Nephron
Rationale: Nephrons filter blood and form urine.
11. Which structure of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Synapse
D. Myelin sheath
