Chemicals than cannot flow freely across a cell membrane enter a neuron through:
A) a Golgi complex.
B) specialized protein channels.
C) the endoplasmic reticulum.
D) gaps in the myelin sheath.

Question

Quizplus · Accepted Answer

Chemicals that cannot freely flow across a cell membrane enter a neuron through specialized protein channels. These channels allow specific molecules to pass through the membrane, while excluding others. This ensures that only necessary and important substances enter the neuron.

Chemicals Than Cannot Flow Freely Across a Cell Membrane Enter