ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
In active transport, materials move from concentration to concentration.
Correct Answer: A
Rationale: Active transport moves materials against their concentration gradient, from lower to higher, using energy.
Question 2 of 5
The chromosomes lengthen and become chromatin and the nuclear envelop reforms during of mitosis.
Correct Answer: B
Rationale: In telophase, chromosomes unwind into chromatin and the nuclear envelope reforms.
Question 3 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 4 of 5
Ions are formed when an atom gains or loses:
Correct Answer: A
Rationale: Ions form by gaining or losing electrons, altering charge without changing the element.
Question 5 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.