ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 of 5
Pancreatic cells that produce package the insulin into a vesicle and release the insulin through the process of:
Correct Answer: A
Rationale: Insulin is released via exocytosis, an active process involving vesicles.
Question 2 of 5
The formation of the cleavage furrow marks the beginning of of mitosis.
Correct Answer: C
Rationale: The cleavage furrow begins cytokinesis, the cytoplasmic division.
Question 3 of 5
The subatomic particle that has a mass of1 \mathrm{amu}$ and has no charge is the:
Correct Answer: D
Rationale: Neutrons have a mass of ~1 atomic mass unit (amu) and are neutral.
Question 4 of 5
A double covalent bond occurs when two atoms share:
Correct Answer: B
Rationale: A double covalent bond involves sharing 4 electrons (2 pairs), e.g., O2.
Question 5 of 5
An acid is a substance that:
Correct Answer: A
Rationale: Acids donate H+ ions in solution, lowering pH.