When a protein of 50 nanometers is mixed with water, the opaque result is called a(n)
A) suspension.
B) emulsion.
C) solution.
D) colloid.

Question

Quizplus · Accepted Answer

A colloid is a mixture where one substance of microscopically dispersed insoluble particles is suspended throughout another substance. The size of the particles in a colloid is typically between 1 and 1000 nanometers, which fits the description of a 50-nanometer protein in water.

When a Protein of 50 Nanometers Is Mixed with Water