When a Potassium Ion (K+)moves from the Soil into the Vacuole

question 38

Multiple Choice

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

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Definitions:

Textiles

Materials that are woven or knitted, typically used for making clothes and other objects.

Ironworks

A place where iron is smelted, forged, or processed into finished products.

Cotton Gin

Invented by Eli Whitney in 1793, the machine that separated cotton seed from cotton fiber, speeding cotton processing and making profitable the cultivation of the more hardy, but difficult to clean, short-staple cotton; led directly to the dramatic nineteenth-century expansion of slavery in the South.

Eli Whitney

An American inventor best known for inventing the cotton gin, a device that revolutionized the cotton industry.