BIOS 256 Midterm Exam 1 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which macromolecule is the primary source of energy?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Correct Answer: C
Rationale: Carbohydrates are the main energy source for cells.
2. Which macromolecule stores genetic information?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Correct Answer: D
Rationale: DNA and RNA store and transmit genetic info.
3. Which macromolecule forms enzymes?
,A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
Correct Answer: C
Rationale: Proteins function as enzymes.
4. Which macromolecule makes up cell membranes?
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
Correct Answer: B
Rationale: Lipids form the phospholipid bilayer.
5. What is the basic unit of life?
A. Atom
B. Cell
C. Molecule
D. Tissue
Correct Answer: B
Rationale: Cell is the fundamental structural and functional unit.
6. Which organelle produces ATP?
,A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria are the powerhouses of the cell.
7. Which organelle synthesizes proteins?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Nucleus
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
8. Which organelle packages proteins for secretion?
A. Ribosome
B. Golgi apparatus
C. Lysosome
D. Mitochondria
Correct Answer: B
Rationale: Golgi apparatus modifies and packages proteins.
9. Which organelle digests cellular waste?
, A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Nucleus
Correct Answer: A
Rationale: Lysosomes contain digestive enzymes.
10. Which organelle contains DNA?
A. Mitochondria
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Nucleus stores genetic material.
11. Which type of transport requires energy?
A. Diffusion
B. Osmosis
C. Active transport
D. Facilitated diffusion
Correct Answer: C
Rationale: Active transport moves molecules against the gradient
using ATP.
12. Which process moves molecules down the concentration
gradient?
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A – Chamberlain
1. Which macromolecule is the primary source of energy?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Correct Answer: C
Rationale: Carbohydrates are the main energy source for cells.
2. Which macromolecule stores genetic information?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
Correct Answer: D
Rationale: DNA and RNA store and transmit genetic info.
3. Which macromolecule forms enzymes?
,A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
Correct Answer: C
Rationale: Proteins function as enzymes.
4. Which macromolecule makes up cell membranes?
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
Correct Answer: B
Rationale: Lipids form the phospholipid bilayer.
5. What is the basic unit of life?
A. Atom
B. Cell
C. Molecule
D. Tissue
Correct Answer: B
Rationale: Cell is the fundamental structural and functional unit.
6. Which organelle produces ATP?
,A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria are the powerhouses of the cell.
7. Which organelle synthesizes proteins?
A. Ribosome
B. Mitochondria
C. Lysosome
D. Nucleus
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
8. Which organelle packages proteins for secretion?
A. Ribosome
B. Golgi apparatus
C. Lysosome
D. Mitochondria
Correct Answer: B
Rationale: Golgi apparatus modifies and packages proteins.
9. Which organelle digests cellular waste?
, A. Lysosome
B. Ribosome
C. Golgi apparatus
D. Nucleus
Correct Answer: A
Rationale: Lysosomes contain digestive enzymes.
10. Which organelle contains DNA?
A. Mitochondria
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Nucleus stores genetic material.
11. Which type of transport requires energy?
A. Diffusion
B. Osmosis
C. Active transport
D. Facilitated diffusion
Correct Answer: C
Rationale: Active transport moves molecules against the gradient
using ATP.
12. Which process moves molecules down the concentration
gradient?
