alleryStart learning →What do gap junctions and plasmodesmata have in common?
ABoth are channels between adjacent cells
BBoth are built from the same proteins
CBoth are found only in animal tissue
DBoth form a watertight seal at contact
Answer & Solution
Correct answer: A. Both are channels between adjacent cells
1. Gap junctions occur in animal cells and plasmodesmata in plant cells.
2. Both are channels between adjacent cells.
3. Both allow the transport of ions, nutrients and other substances that let cells communicate.
4. Structurally, however, gap junctions and plasmodesmata differ, so they are not built the same way.
5. The shared property is that each is a channel between adjacent cells.
6. A watertight seal describes the tight junction, which blocks passage between cells rather than allowing it.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.6 Connections between Cells and Cellular Activities_
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