ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
The function of the rough endoplasmic reticulum is and the function of the smooth endoplasmic reticulum is
Correct Answer: C
Rationale: Rough ER modifies proteins; smooth ER synthesizes phospholipids and steroids.
Question 2 of 5
A sequence of three bases on DNA is called a , while the complementary three bases on mRNA is called a(n)
Correct Answer: B
Rationale: A triplet is three bases on DNA; a codon is the complementary three bases on mRNA.
Question 3 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 4 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 5 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.