ATI RN
Cell and Tissue Test Bank Questions Questions
Question 1 of 5
The most abundant molecule in living things is:
Correct Answer: C
Rationale: Water (H2O) comprises ~60-70% of living organisms, making it the most abundant molecule.
Question 2 of 5
The monosaccharide found in fruit is:
Correct Answer: D
Rationale: Fructose is a common monosaccharide in fruits, giving them sweetness.
Question 3 of 5
Which of the following is NOT a function of proteins?
Correct Answer: D
Rationale: Proteins don't directly create energy; they facilitate processes (e.g., enzymes, muscle movement).
Question 4 of 5
Which of the following is NOT a component of a nucleotide?
Correct Answer: D
Rationale: Nucleotides (DNA/RNA) lack amino acids, which are in proteins.
Question 5 of 5
A single layer of flattened cells describes epithelial tissue.
Correct Answer: D
Rationale: Simple squamous epithelium is a single layer of flat cells, ideal for diffusion.