ATI RN
Questions on Cells Tissues and Organs Questions
Question 1 of 5
Messenger RNA is synthesized in the:
Correct Answer: A
Rationale: mRNA is transcribed from DNA in the nucleus by RNA polymerase.
Question 2 of 5
Which of the following is not a specialized type of cell found in connective tissues?
Correct Answer: C
Rationale: Goblet cells are epithelial, not connective; fibers are matrix components, not cells.
Question 3 of 5
Molecules that are embedded within the phospholipid bilayer are:
Correct Answer: A
Rationale: Proteins are embedded in the bilayer, functioning in transport and signaling.
Question 4 of 5
What organelle produces ATP?
Correct Answer: A
Rationale: Mitochondria generate ATP through cellular respiration.
Question 5 of 5
An example of a transport mechanism that requires expenditure of cellular ATP is:
Correct Answer: A
Rationale: Exocytosis is an active process requiring ATP to expel materials from the cell.