ATI RN
Exam Questions on Cells Tissues and Organs Questions
Question 1 of 5
Which is not a component of a nucleic acid?
Correct Answer: D
Rationale: Nucleic acids (DNA/RNA) include a sugar, phosphate, and bases (purine/pyrimidine), not glycerol (found in lipids).
Question 2 of 5
The primary function of mitochondria is the:
Correct Answer: C
Rationale: Mitochondria produce ATP via oxidative phosphorylation in cellular respiration.
Question 3 of 5
If one strand of a DNA molecule has the base sequence ACGGCAC, the other strand will have the sequence:
Correct Answer: D
Rationale: Complementary strand: TGCCGTG (A-T, C-G pairing); UGCCGUG is RNA, not DNA.
Question 4 of 5
Which statement best describes connective tissue?
Correct Answer: C
Rationale: Connective tissue arises from mesoderm and has abundant extracellular matrix for support.
Question 5 of 5
Which of the following is NOT a function of the plasma membrane?
Correct Answer: B
Rationale: The plasma membrane surrounds the cell, maintains integrity, and regulates transport, but the nucleus is the control center.