When a potassium ion (K+) moves from the soil into the vacuole of a cell on the surface of a root, it must pass through several cellular structures. Which of the following correctly describes the order in which these structures will be encountered by the ion?
A) plasma membrane → primary cell wall → cytoplasm → vacuole
B) secondary cell wall → plasma membrane → primary cell wall → cytoplasm → vacuole
C) primary cell wall → plasma membrane → cytoplasm → vacuole
D) primary cell wall → plasma membrane → lysosome → cytoplasm → vacuole
E) primary cell wall → plasma membrane → cytoplasm → secondary cell wall → vacuole
Blood Cell
Plant Cell
Gating of sodium and potassium channels during an action potential.
Overview of Cell Organelles
The cell cycle has three stages: interphase, mitosis, and cytokinesis
Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan