Item #7 of 10

Which of the following statements are true for protein molecules?

They are large and unable to move freely through the pores of a neuron's cell membrane.;
They are anions.;
They are found in higher concentration within a neuron's cytoplasm.;
They are found in lower concentration in extracellular fluid outside a neuron.;
All of the alternatives provided are correct.;

INCORRECT - Although this statement is true, a better alternative is provided.

[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]