In insects like fruit flies, the first cleavages do not do cytokinesis, forming loose nuclei which migrate to the edge where they obtain separate cell membranes. Why do fly embryos develop like this? A. The egg could not store enough nutrients to fuel all the stages of mitois B. The nuclei compete and only the strong ones get to be the fly’s front end C. It is how they deal with having lots of yolk which can be a challenge for cytokinesis. D. The center of fly eggs contains anti-parasite chemicals that dissolve cell membranes. 6
In insects like fruit flies, the first cleavages do not do cytokinesis, forming loose nuclei which migrate to the edge where they obtain separate cell membranes. Why do fly embryos develop like this? A. The egg could not store enough nutrients to fuel all the stages of mitois B. The nuclei compete and only the strong ones get to be the fly’s front end C. It is how they deal with having lots of yolk which can be a challenge for cytokinesis. D. The center of fly eggs contains anti-parasite chemicals that dissolve cell membranes. 6
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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In insects like fruit flies, the first cleavages do not do cytokinesis, forming loose nuclei which migrate to the edge where they obtain separate cell membranes. Why do fly embryos develop like this?
A. The egg could not store enough nutrients to fuel all the stages of mitois
B. The nuclei compete and only the strong ones get to be the fly’s front end
C. It is how they deal with having lots of yolk which can be a challenge for cytokinesis.
D. The center of fly eggs contains anti-parasite chemicals that dissolve cell membranes.
6
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