Gap junctions and tunneling nanotubes are two distinct types of direct intracellular communication. In comparing and contrasting gap junctions and tunneling nanotubes, which of the following statements is true?
Gap junctions and tunneling nanotubes are two distinct types of direct intracellular communication. In comparing and contrasting gap junctions and tunneling nanotubes, which of the following statements is true?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Gap junctions and tunneling nanotubes are two distinct types of direct intracellular
communication. In comparing and contrasting gap junctions and tunneling
nanotubes, which of the following statements is true?
gap junctions provide a portal for small molecules, proteins and small organelles
to move from cell to cell, tunneling nanotubes only permit small molecules to
pass between cells
typically, there are only two gap junctions that exist between adjacent cells that
are communicating via this mechanism; on the other hand, there are many
tunneling nanotubes between communicating cells
both gap junctions and tunneling nanotubes can pass small molecules between
cells
none of the above is true
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