ATI RN
Cells and Tissue Multiple Choice Questions Questions
Question 1 of 5
Skeletal muscle is composed of very hard working cells. Which organelles do you expect to find in abundance in skeletal muscle cell?
Correct Answer: D
Rationale: Mitochondria are abundant in skeletal muscle cells to provide energy (ATP) for their high metabolic demands.
Question 2 of 5
Of the following nitrogenous bases, only one is found exclusively in RNA:
Correct Answer: D
Rationale: Uracil is unique to RNA, replacing thymine (found in DNA); guanine and adenine are in both.
Question 3 of 5
In Question 3, which organelle is involved in protein synthesis?
Correct Answer: B
Rationale: Ribosomes synthesize proteins by translating mRNA (referring to options in Q3).
Question 4 of 5
In the DNA molecule, the nitrogenous base adenine always pairs with:
Correct Answer: B
Rationale: Adenine pairs with thymine in DNA via two hydrogen bonds.
Question 5 of 5
Goblet cells are a type of:
Correct Answer: C
Rationale: Goblet cells are single cells within epithelia that secrete mucus (unicellular glands).