ATI RN
Questions on Cells Tissues and Organs Questions
Question 1 of 5
Neurons are specialized for:
Correct Answer: A
Rationale: Neurons are designed to transmit electrical signals throughout the body.
Question 2 of 5
Which organelle is responsible for synthesizing proteins in the cell?
Correct Answer: D
Rationale: Ribosomes are the cellular structures where protein synthesis occurs, as they translate mRNA into polypeptide chains.
Question 3 of 5
Which type of intracellular signaling involves direct physical contact between cells?
Correct Answer: A
Rationale: Contact-dependent signaling requires direct cell-to-cell contact for signal transmission.
Question 4 of 5
Which phase of the cell cycle involves DNA replication?
Correct Answer: B
Rationale: The S phase is when DNA replication occurs to prepare for cell division.
Question 5 of 5
What is the primary function of gap junctions in cell communication?
Correct Answer: B
Rationale: Gap junctions allow direct electrical and chemical communication between cells.