ATI RN
Multiple Choice Questions on Cells Tissues and Organs Questions
Question 1 of 5
The process of "diffusion" through a membrane may be described by which of the following?
Correct Answer: A
Rationale: The choices with ATP are nonsense. While choice C refers to endocytosis.
Question 2 of 5
Which of the following statements about "leak channels" in the plasma membrane is correct?
Correct Answer: B
Rationale: This is the definition of leak channels. They may be "gated" which means shut until stimulated to open. J refers to facilitated diffusion.
Question 3 of 5
What is the tissue that covers the body surface and lines internal tubes called?
Correct Answer: A
Rationale: Epithelial tissue has one surface "open" to the exterior or to the contents of the tube.
Question 4 of 5
In a strand of DNA, what is the combination of deoxyribose and phosphate and base known as?
Correct Answer: D
Rationale: Three nucleotides form a codon and many codons form a chromatid.
Question 5 of 5
In the nucleus of the cell DNA is used as a template to form mRNA. What is the process called?
Correct Answer: B
Rationale: Transcription refers to the conversion of information on DNA into the form of mRNA.