Multiple Choice
Which of the following regarding the Spemann organizer is false?
A) The dorsal lip cells directly activate dorsal development.
B) The organizer forms in the area of the grey crescent.
C) The organizer determines the dorsal-ventral axis.
D) Signaling molecules from the organizer inhibit ventral development.
E) The point of sperm entry determines the orientation of the organizer.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Which of the following leads to the
Q26: Referring to the figure of sperm penetration
Q29: Choose the letter of the best match
Q37: Together,the chorionic frondosum and decidua basalis form
Q39: One of the hormones released by the
Q42: The human placenta is formed by the
Q43: The head of a sperm is capped
Q44: In the diagram,which of the following is
Q45: Which of the following activates the egg?<br>A)entrance
Q45: Which of the following is not a