BIOS 150 Week 3 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which macromolecule is primarily responsible for storing
genetic information?
A. Proteins
B. Lipids
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: Nucleic acids like DNA and RNA store and transmit
genetic information.
2. The basic unit of life is the:
A. Atom
B. Molecule
C. Cell
D. Tissue
,Correct Answer: C
Rationale: The cell is the smallest structure capable of performing
all life functions.
3. Which organelle is responsible for energy production in the
cell?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
4. The process by which water moves across a semipermeable
membrane is:
A. Diffusion
B. Active transport
C. Osmosis
D. Filtration
Correct Answer: C
Rationale: Osmosis is the diffusion of water across a selectively
permeable membrane.
5. Which molecule is the main energy currency of the cell?
,A. DNA
B. RNA
C. ATP
D. Glucose
Correct Answer: C
Rationale: ATP provides energy for cellular processes.
6. Enzymes function by:
A. Increasing activation energy
B. Decreasing activation energy
C. Being consumed in reactions
D. Changing equilibrium
Correct Answer: B
Rationale: Enzymes speed up reactions by lowering activation
energy.
7. Which structure controls what enters and leaves the cell?
A. Cytoplasm
B. Nucleus
C. Cell membrane
D. Ribosome
Correct Answer: C
Rationale: The cell membrane is selectively permeable and
regulates transport.
, 8. The pH scale measures:
A. Temperature
B. Acidity or alkalinity
C. Pressure
D. Volume
Correct Answer: B
Rationale: pH indicates hydrogen ion concentration in a solution.
9. Proteins are made up of:
A. Fatty acids
B. Monosaccharides
C. Amino acids
D. Nucleotides
Correct Answer: C
Rationale: Amino acids are the building blocks of proteins.
10. Which organelle modifies and packages proteins?
A. Lysosome
B. Golgi apparatus
C. Mitochondria
D. Nucleus
Correct Answer: B
Rationale: The Golgi processes and packages proteins for transport.
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which macromolecule is primarily responsible for storing
genetic information?
A. Proteins
B. Lipids
C. Nucleic acids
D. Carbohydrates
Correct Answer: C
Rationale: Nucleic acids like DNA and RNA store and transmit
genetic information.
2. The basic unit of life is the:
A. Atom
B. Molecule
C. Cell
D. Tissue
,Correct Answer: C
Rationale: The cell is the smallest structure capable of performing
all life functions.
3. Which organelle is responsible for energy production in the
cell?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
4. The process by which water moves across a semipermeable
membrane is:
A. Diffusion
B. Active transport
C. Osmosis
D. Filtration
Correct Answer: C
Rationale: Osmosis is the diffusion of water across a selectively
permeable membrane.
5. Which molecule is the main energy currency of the cell?
,A. DNA
B. RNA
C. ATP
D. Glucose
Correct Answer: C
Rationale: ATP provides energy for cellular processes.
6. Enzymes function by:
A. Increasing activation energy
B. Decreasing activation energy
C. Being consumed in reactions
D. Changing equilibrium
Correct Answer: B
Rationale: Enzymes speed up reactions by lowering activation
energy.
7. Which structure controls what enters and leaves the cell?
A. Cytoplasm
B. Nucleus
C. Cell membrane
D. Ribosome
Correct Answer: C
Rationale: The cell membrane is selectively permeable and
regulates transport.
, 8. The pH scale measures:
A. Temperature
B. Acidity or alkalinity
C. Pressure
D. Volume
Correct Answer: B
Rationale: pH indicates hydrogen ion concentration in a solution.
9. Proteins are made up of:
A. Fatty acids
B. Monosaccharides
C. Amino acids
D. Nucleotides
Correct Answer: C
Rationale: Amino acids are the building blocks of proteins.
10. Which organelle modifies and packages proteins?
A. Lysosome
B. Golgi apparatus
C. Mitochondria
D. Nucleus
Correct Answer: B
Rationale: The Golgi processes and packages proteins for transport.
