ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
Deoxyribonucleotides are named according to:
Correct Answer: A
Rationale: Deoxyribonucleotides (e.g., dATP) are named by their nitrogenous base (adenine, thymine, etc.).
Question 2 of 5
The sequence of nucleotides in a messenger RNA molecule is determined by the:
Correct Answer: A
Rationale: mRNA sequence is a copy of a gene's DNA sequence (complementary to the template strand).
Question 3 of 5
Classification of epithelia is based on the number of layers of cells and on the:
Correct Answer: A
Rationale: Epithelia are classified by layers (simple/stratified) and cell shape (squamous, cuboidal, columnar).
Question 4 of 5
The function of dense, regularly arranged, connective tissue is:
Correct Answer: B
Rationale: Dense regular connective tissue (e.g., tendons) provides strong binding and support.
Question 5 of 5
Because the proteins embedded in the phospholipid bilayer of the plasma membrane can change their positions by moving laterally, this model of the plasma membrane structure is called the model.
Correct Answer: D
Rationale: The fluid-mosaic model describes the dynamic, fluid nature of the phospholipid bilayer with mobile proteins.