Newly forming astral microtubules associate with dynein motor proteins, with the tail of the dynein bound to the plasma membrane. This association appears to be important in the distribution of astral microtubules to the polar regions (opposite “ends”) during spindle assembly.Now fast forward to the events of anaphase. In which phase of Anaphase (A or B) does the association between astral microtubules and membrane-bound dynein play a role? What is that role? (Your answer should incorporate information on how the directionality of dynein’s movement is involved in the process you describe.)
Newly forming astral microtubules associate with dynein motor proteins, with the tail of the dynein bound to the plasma membrane. This association appears to be important in the distribution of astral microtubules to the polar regions (opposite “ends”) during spindle assembly.Now fast forward to the events of anaphase. In which phase of Anaphase (A or B) does the association between astral microtubules and membrane-bound dynein play a role? What is that role? (Your answer should incorporate information on how the directionality of dynein’s movement is involved in the process you describe.)
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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Newly forming astral microtubules associate with dynein motor proteins, with the tail of the dynein bound to the plasma membrane. This association appears to be important in the distribution of astral microtubules to the polar regions (opposite “ends”) during spindle assembly.Now fast forward to the events of anaphase. In which phase of Anaphase (A or B) does the association between astral microtubules and membrane-bound dynein play a role? What is that role? (Your answer should incorporate information on how the directionality of dynein’s movement is involved in the process you describe.)
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