ATI RN
Questions on Cells Tissues and Organs Questions
Question 1 of 5
Molecules that are embedded within the phospholipid bilayer are:
Correct Answer: A
Rationale: Proteins are embedded in the bilayer, functioning in transport and signaling.
Question 2 of 5
An example of a transport mechanism that requires expenditure of cellular ATP is:
Correct Answer: A
Rationale: Exocytosis is an active process requiring ATP to expel materials from the cell.
Question 3 of 5
A gene is a segment of DNA that codes for the production of a single:
Correct Answer: D
Rationale: A gene codes for a specific protein via mRNA.
Question 4 of 5
The sister chromatids separate and move toward opposite sides of the cell during of mitosis.
Correct Answer: D
Rationale: Sister chromatids separate in anaphase.
Question 5 of 5
Identify the subatomic particles found within the nucleus of an atom.
Correct Answer: D
Rationale: The nucleus contains protons (positive) and neutrons (neutral); electrons orbit outside.