Multiple Choice
A researcher who wants to block initiation of the cytoplasmic reorganization that is revealed by the appearance of the gray crescent in a developing frog should block the actions of
A) mitochondria contributed by the egg.
B) GSK-3.
C) the centriole contributed by the sperm.
D) β-catenin.
E) GSK-inhibiting protein.
Correct Answer:
Verified
Correct Answer:
Verified
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Q139: Which feature characterizes cleavage in most animals?<br>A)
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