Multiple Choice
The yolk of the frog egg
A) prevents gastrulation.
B) is concentrated at the animal pole.
C) is homogeneously arranged in the egg.
D) impedes the formation of a primitive streak.
E) supports the higher rate of cleavage at the animal pole compared to the vegetal pole.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: Among these choices, the largest cell involved
Q5: Assume that successful reproduction in a rare
Q6: The archenteron of the developing frog eventually
Q7: Cadherins and other cell-adhesion molecules that guide
Q8: The outer-to-inner sequence of tissue layers in
Q10: Uterine implantation due to enzymatic digestion of
Q11: The vitelline layer of the sea urchin
Q12: In mammalian eggs, the receptors for sperm
Q13: The small portion of the embryo that
Q14: The archenteron develops into<br>A) the mesoderm.<br>B) the