Nucleotides lack - Nurselytic

ATI RN

ATI RN Test Bank

Nucleotides lack:

A. a phosphate group B. an amino group C. a nitrogenous base D. a five-carbon sugar

Correct Answer: B

Rationale: Nucleotides (DNA/RNA) have a phosphate, sugar, and base, but not an amino group (found in amino acids).

Which of the following is not a type of epithelium?

A. simple squamous B. transitional C. simple ciliated columnar D. complex stratified

Correct Answer: D

Rationale: "Complex stratified' is not a standard epithelial type; others are recognized classifications.

Which of the following is not a specialized type of cell found in connective tissues?

A. reticular fiber B. collagen fiber C. goblet cell D. mast cell

Correct Answer: C

Rationale: Goblet cells are epithelial, not connective; fibers are matrix components, not cells.

Molecules that are embedded within the phospholipid bilayer are:

A. proteins B. nucleic acids C. carbohydrates D. triglycerides

Correct Answer: A

Rationale: Proteins are embedded in the bilayer, functioning in transport and signaling.

What organelle produces ATP?

A. mitochondria B. cilia C. Golgi apparatus D. Rough ER

Correct Answer: A

Rationale: Mitochondria generate ATP through cellular respiration.

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