Water Can Diffuse Directly Across Lipid Bilayers, but Ions Cannot

question 15

Multiple Choice

Water can diffuse directly across lipid bilayers, but ions cannot. What aids the ions in water in entering or exiting a cell?​

• A) ​transport proteins in a cell's cytoplasm
• B) ​transport proteins in a cell's plasma membrane
• C) ​sugars produced in source regions
• D) ​organic compounds stored in plant tissues
• E) ​companion cells

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Definitions:

Proportions

The ratio of part to whole, expressed as a fraction or percentage, describing the relative size of parts within a population or a whole.

Nominal Variables

Categorical variables that represent different categories or types which do not have a natural order or ranking among them.

Relationship

The method of connection between two or more concepts, objects, or individuals, or the existence of such a connection.

Degrees Of Freedom

The count of distinct values or measures that can be attributed to a statistical distribution while adhering to all restrictions.