A gap junction is a channel that connects adjacent cells.From substances listed,which one cannot pass through a gap junction?
A)ions that can regulate heartbeat
B)amino acids
C)nucleotides
D)ribosomes

Question

Quizplus · Accepted Answer

Ribosomes are organelles involved in protein synthesis and are too large to pass through a gap junction channel. A, B, and C are smaller molecules that could pass through.

A Gap Junction Is a Channel That Connects Adjacent Cells