Based on These Four Illustrations of Diffusion, Which Mode Would

question 94

Multiple Choice

Based on these four illustrations of diffusion, which mode would most likely be used to transport oxidized zinc (which has a charge of +2) through the cell membrane?

• A) Facilitated diffusion through carrier proteins
• B) Facilitated diffusion through channel proteins
• C) Osmosis through aquaporins
• D) Simple diffusion through the bilayer

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Definitions:

Independent Variable

A variable in an experiment or analysis that is manipulated or categorized to observe its effect on a dependent variable.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations of the independent variable.

Hydroxide ions

Negatively charged ions made up of one oxygen and one hydrogen atom, symbolized as OH-.

Alkaline Solution

A solution with a pH value greater than 7, indicating it has fewer hydrogen ions than pure water and is commonly referred to as basic.