Which Molecule Will Cross a Cell Membrane Most Easily

question 3

Multiple Choice

Which molecule will cross a cell membrane most easily?

• A) A large molecule such as hemoglobin
• B) A small molecule such as glucose
• C) Genetic material such as DNA
• D) A highly polar molecule such as water
• E) A lipid-soluble substance such as testosterone

---

Definitions:

Add Fractions

The process of combining two or more fractions to find their total, involving finding a common denominator.

Simplest Form

A mathematical expression is in its simplest form when it is reduced to the lowest terms possible.

Simplest Form

An expression simplified to its most basic components, where no further simplification is possible.

Dividing Fractions

The process of calculating the quotient of two fractions by multiplying the first fraction by the reciprocal of the second.