Which factor is important for maintaining the different germ cell layers in the developing embryo? [Hint: without this molecule the embryo would be a ball of cells with no distinct germ cell layers.]
A) activin
B) noggin
C) Spemann's organizer
D) Hox gene
E) cadherins
Correct Answer:
Verified
Q12: Which embryonic structure ultimately forms the digestive
Q13: The ectoderm is to the central nervous
Q14: During gastrulation, the cellular process by which
Q15: Which of the following is NOT an
Q16: Cadherin proteins are specifically associated with which
Q18: The anterioposterior axis of an embryo is
Q19: Which of the following is TRUE of
Q20: Which of the following is important to
Q21: Which of the following is TRUE of
Q22: Through studies using the animal cap assay
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