ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 of 5
What are lysosomes, centrosomes and ribosomes example of?
Correct Answer: B
Rationale: The suffix ""“some" refers to small body or organelle within a cell.
Question 2 of 5
Active transport across the plasma membrane may be described by which statement?
Correct Answer: A
Rationale: This is the only correct answer. The others are not true.
Question 3 of 5
Cell membranes can maintain a difference in electrical charge between the interior of the cell and the extracellular fluid. What is this charge difference called?
Correct Answer: B
Rationale: The inside of a cell is negative while the exterior side of the membrane is positive. This difference in charge constitutes a difference in electrical potential(or voltage), known as the resting membrane potential. An action potential is generated when the membrane is stimulated and the potential reversed.
Question 4 of 5
What is the major function of lysosomes? They:
Correct Answer: D
Rationale: The prefix "lys-" refers to the ability to alter molecules by dividing them into smaller pieces.
Question 5 of 5
What term is used to describe the movement of dissolved particles along(or down) their concentration gradient?
Correct Answer: D
Rationale: Following the concentration gradient is a passive process. Choice C applies only to water molecules.