BIOS 256 Midterm Exam 1
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BIOS 256 Midterm Exam 1 (Latest Update
2026) Anatomy and Physiology IV with Lab
| Questions & Answers | 100% Correct |
Grade A – Chamberlain
1. Which macromolecule is the primary source of energy?
r. r. r. r. r. r. r.
A. Protein
r.
B. Lipid
r.
C. Carbohydrate
r.
D. Nucleic acid
r. r.
Correct Answer: C
r. r.
Rationale: Carbohydrates are the main energy source for cells.
r. r. r. r. r. r. r. r.
2. Which macromolecule stores genetic information?
r. r. r. r. r.
A. Protein
r.
B. Lipid
r.
C. Carbohydrate
r.
D. Nucleic acid
r. r.
Correct Answer: D
r. r.
Rationale: DNA and RNA store and transmit genetic info.
r. r. r. r. r. r. r. r.
3. Which macromolecule forms enzymes?
r. r. r. r.
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A. Carbohydrate
r.
B. Lipid
r.
C. Protein
r.
D. Nucleic acid
r. r.
Correct Answer: C
r. r.
Rationale: Proteins function as enzymes.
r. r. r. r.
4. Which macromolecule makes up cell membranes?
r. r. r. r. r. r.
A. Carbohydrate
r.
B. Lipid
r.
C. Protein
r.
D. Nucleic acid
r. r.
Correct Answer: B
r. r.
Rationale: Lipids form the phospholipid bilayer.
r. r. r. r. r.
5. What is the basic unit of life?
r. r. r. r. r. r. r.
A. Atom
r.
B. Cell
r.
C. Molecule
r.
D. Tissue
r.
Correct Answer: B
r. r.
Rationale: Cell is the fundamental structural and functional unit.
r. r. r. r. r. r. r. r.
6. Which organelle produces ATP?
r. r. r. r.
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A. Nucleus
r.
B. Mitochondria
r.
C. Ribosome
r.
D. Golgi apparatus
r. r.
Correct Answer: B
r. r.
Rationale: Mitochondria are the powerhouses of the cell.
r. r. r. r. r. r. r.
7. Which organelle synthesizes proteins?
r. r. r. r.
A. Ribosome
r.
B. Mitochondria
r.
C. Lysosome
r.
D. Nucleus
r.
Correct Answer: A
r. r.
Rationale: Ribosomes translate mRNA into proteins.
r. r. r. r. r.
8. Which organelle packages proteins for secretion?
r. r. r. r. r. r.
A. Ribosome
r.
B. Golgi apparatus
r. r.
C. Lysosome
r.
D. Mitochondria
r.
Correct Answer: B
r. r.
Rationale: Golgi apparatus modifies and packages proteins.
r. r. r. r. r. r.
9. Which organelle digests cellular waste?
r. r. r. r. r.
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Distribution of this document is illegal extra per year?
written by
Nurse_Celestine
ClassMerit
Did you know a seller earns an average of $1,500 per year selling their
notes?
Learn more on how to sell. Scan the QR code and turn your study notes into real cash today.
classmerit.com
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BIOS 256 Midterm Exam 1 (Latest Update
2026) Anatomy and Physiology IV with Lab
| Questions & Answers | 100% Correct |
Grade A – Chamberlain
1. Which macromolecule is the primary source of energy?
r. r. r. r. r. r. r.
A. Protein
r.
B. Lipid
r.
C. Carbohydrate
r.
D. Nucleic acid
r. r.
Correct Answer: C
r. r.
Rationale: Carbohydrates are the main energy source for cells.
r. r. r. r. r. r. r. r.
2. Which macromolecule stores genetic information?
r. r. r. r. r.
A. Protein
r.
B. Lipid
r.
C. Carbohydrate
r.
D. Nucleic acid
r. r.
Correct Answer: D
r. r.
Rationale: DNA and RNA store and transmit genetic info.
r. r. r. r. r. r. r. r.
3. Which macromolecule forms enzymes?
r. r. r. r.
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A. Carbohydrate
r.
B. Lipid
r.
C. Protein
r.
D. Nucleic acid
r. r.
Correct Answer: C
r. r.
Rationale: Proteins function as enzymes.
r. r. r. r.
4. Which macromolecule makes up cell membranes?
r. r. r. r. r. r.
A. Carbohydrate
r.
B. Lipid
r.
C. Protein
r.
D. Nucleic acid
r. r.
Correct Answer: B
r. r.
Rationale: Lipids form the phospholipid bilayer.
r. r. r. r. r.
5. What is the basic unit of life?
r. r. r. r. r. r. r.
A. Atom
r.
B. Cell
r.
C. Molecule
r.
D. Tissue
r.
Correct Answer: B
r. r.
Rationale: Cell is the fundamental structural and functional unit.
r. r. r. r. r. r. r. r.
6. Which organelle produces ATP?
r. r. r. r.
Downloaded by: Want to earn $1,500
Distribution of this document is illegal extra per year?
, classmerit.com — The Marketplace to Buy and Sell Study Materials
A. Nucleus
r.
B. Mitochondria
r.
C. Ribosome
r.
D. Golgi apparatus
r. r.
Correct Answer: B
r. r.
Rationale: Mitochondria are the powerhouses of the cell.
r. r. r. r. r. r. r.
7. Which organelle synthesizes proteins?
r. r. r. r.
A. Ribosome
r.
B. Mitochondria
r.
C. Lysosome
r.
D. Nucleus
r.
Correct Answer: A
r. r.
Rationale: Ribosomes translate mRNA into proteins.
r. r. r. r. r.
8. Which organelle packages proteins for secretion?
r. r. r. r. r. r.
A. Ribosome
r.
B. Golgi apparatus
r. r.
C. Lysosome
r.
D. Mitochondria
r.
Correct Answer: B
r. r.
Rationale: Golgi apparatus modifies and packages proteins.
r. r. r. r. r. r.
9. Which organelle digests cellular waste?
r. r. r. r. r.
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Distribution of this document is illegal extra per year?
