ATI RN
Cells Tissues and Organs Comprehension Questions Questions
Question 1 of 5
Which type of cellular transport involves the movement of large molecules or particles into the cell?
Correct Answer: B
Rationale: Endocytosis engulfs large molecules or particles into the cell via vesicle formation.
Question 2 of 5
What is the primary function of the nucleolus?
Correct Answer: C
Rationale: The nucleolus is the site of ribosome production within the nucleus.
Question 3 of 5
What is the name for the protein structures that attach sister chromatids to each other?
Correct Answer: B
Rationale: Centromeres hold sister chromatids together.
Question 4 of 5
What is the role of synaptic signaling in the nervous system?
Correct Answer: D
Rationale: Synaptic signaling involves neurotransmitter release for neuron communication.
Question 5 of 5
What is the role of second messengers in intracellular signaling pathways?
Correct Answer: B
Rationale: Second messengers amplify and transmit signals inside the cell.