ATI RN
Cells and Tissues Questions and Answers Questions
Question 1 of 5
Which structure within the cell produces ATP(adenosine triphosphate)?
Correct Answer: A
Rationale: This is a basic function of mitochondria. All other answers are wrong.
Question 2 of 5
Which one of the following cell types is found in epithelial tissue?
Correct Answer: C
Rationale: Keratinocytes produce keratin, the protein of the epidermis, which is epithelial tissue.
Question 3 of 5
The plasma membrane of a cell contains molecules that have a hydrophobic end and a hydrophilic end What are they called?
Correct Answer: A
Rationale: The phosphate end is hydrophilic(water soluble) while the lipid end is hydrophobic(insoluble in water).
Question 4 of 5
Which of the following is ONE major function of epithelial cells?
Correct Answer: B
Rationale: Glandular tissue are one type of epithelial tissue and their function is to produce material to secrete.
Question 5 of 5
Facilitated diffusion differs from active transport because facilitated diffusion:
Correct Answer: C
Rationale: Diffusion always refers to movement from high to low concentration(without energy expenditure). Facilitated refers to the assistance provided by a transport molecule that is designed for the purpose.