Which Is a Similarity Between Gap Junctions and Plasmodesmata

question 68

Multiple Choice

Which is a similarity between gap junctions and plasmodesmata?

• A) The connections between cells in both are lined by their fused plasma membranes.
• B) Both structures are composed of connexons.
• C) Both bring gases and nutrients to every cell through capillaries.
• D) Both contain desmotubules derived from the endoplasmic reticulum.
• E) The space available for diffusion within the channel is about the same.

---

Definitions:

Unconfined Channels

Natural river channels that are not constrained by man-made structures and are free to change course and flood.

Fraser River

A major river in British Columbia, Canada, known for its salmon runs and importance to the local ecosystem.

Vancouver

A major coastal city in western Canada, located in the Lower Mainland region of British Columbia.

British Columbia

A province located on the west coast of Canada, known for its natural landscapes and diverse ecosystems.