ATI RN
Cells Tissues and Organs Comprehension Questions Questions
Question 1 of 5
Fats are reaction products of fatty acids and:
Correct Answer: B
Rationale: Fats (triglycerides) form from glycerol and three fatty acids via dehydration synthesis.
Question 2 of 5
The plasma membrane is a sandwich of:
Correct Answer: D
Rationale: The plasma membrane is a phospholipid bilayer with proteins embedded (protein-lipid-protein model).
Question 3 of 5
The sequence of amino acids in protein molecules is determined by the sequence of:
Correct Answer: C
Rationale: mRNA's nucleotide sequence (codons) dictates the amino acid order in proteins.
Question 4 of 5
The inability to absorb digested nutrients may be due to damage of which type of epithelia?
Correct Answer: B
Rationale: Simple columnar epithelium in the gut absorbs nutrients; damage impairs this function.
Question 5 of 5
Identify the three main components of a human cell.
Correct Answer: D
Rationale: A human cell consists of the cytoplasm (fluid and organelles), plasma membrane (boundary), and nucleus (genetic control center).