Plasma Membranes Allow Certain Molecules to Pass, While Blocking Others

question 57

Multiple Choice

Plasma membranes allow certain molecules to pass, while blocking others. Membranes with this property are called

• A) impermeable.
• B) freely permeable.
• C) selectively permeable.
• D) actively permeable.
• E) nonpermeable.

---

Definitions:

Greatest Density

Refers to the area in a distribution or data set where points are most tightly clustered.

Normally Distributed

Describes a statistical distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Gasoline Prices

The cost per unit of gasoline, which can fluctuate based on factors such as crude oil prices, supply and demand, taxes, and market speculation.