ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
Identify the subatomic particle that is negatively charged.
Correct Answer: A
Rationale: Electrons carry a negative charge, unlike protons (positive) and neutrons (neutral).
Question 2 of 5
A substance that either takes up hydrogen ions or releases hydroxide ions in water is a(an)
Correct Answer: B
Rationale: Bases accept H+ or release OH-, increasing pH.
Question 3 of 5
The molecule that body cells use as an immediate source of energy is:
Correct Answer: D
Rationale: Glucose is the primary energy source for cellular respiration.
Question 4 of 5
Which of the following is NOT a lipid?
Correct Answer: A
Rationale: Amino acids are protein monomers, not lipids.
Question 5 of 5
A hydrolysis reaction that breaks down macromolecules is also called
Correct Answer: B
Rationale: Hydrolysis degrades macromolecules into monomers by adding water.