ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 of 5
Which organelle is known as the 'powerhouse' of the cell due to its role in producing energy?
Correct Answer: C
Rationale: Mitochondria generate ATP through cellular respiration, earning them the nickname 'powerhouse' of the cell.
Question 2 of 5
Tight junctions primarily function to:
Correct Answer: D
Rationale: Tight junctions seal cells together to prevent leakage between them.
Question 3 of 5
Which form of intracellular signaling involves the release of signaling molecules that affect distant target cells?
Correct Answer: D
Rationale: Endocrine signaling targets distant cells via the bloodstream.
Question 4 of 5
What is the name of the process by which cells replicate their DNA in preparation for cell division?
Correct Answer: A
Rationale: DNA replication duplicates the genome before division.
Question 5 of 5
What is the primary function of desmosomes in cell junctions?
Correct Answer: B
Rationale: Desmosomes provide mechanical strength to tissues.