ATI RN
Questions About Cells and Tissues Questions
Question 1 of 5
Which nucleotide base is absent from DNA?
Correct Answer: D
Rationale: Uracil is absent from DNA (present in RNA);
Question 2 of 5
Cartilage tissues are generally slow to heal after an injury because:
Correct Answer: A
Rationale: Cartilage lacks blood vessels (avascular), slowing nutrient delivery and healing.
Question 3 of 5
The main structural molecule of the plasma membrane is:
Correct Answer: D
Rationale: Phospholipids form the bilayer, the primary structural component of the plasma membrane.
Question 4 of 5
Which organelle and function is correctly matched?
Correct Answer: C
Rationale: The Golgi apparatus processes and packages materials; other matches are incorrect.
Question 5 of 5
Blood pressure helps to move water and dissolved solutes out of a capillary from a higher pressure to a lower pressure. This is called
Correct Answer: C
Rationale: Filtration uses pressure to push water and solutes out of capillaries.