- Joined
- Jun 8, 2007
- Messages
- 925
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What does the Trophoblast form after implantation to the uterus?
a) HCG
b) Yolk Sac
c) estrogen
d) progesterone
e) growth hormone
During ovulation what happens?
a) high levels of progesterone signal positive feedback to inhibit LH
b) high levels of progesterone signal negative feedback to inhibit LH
c) high levels of estrogen signal negative feedback to induce LH
d) high levels of estrogen signal positive feedback to induce LH
e) Low levels of FSH signal positive feedback to induce LH
If you were to take out a cell from the non-gray (gray crescent) area of a developing frog embryo during early cleavage what would happen?
a) it would grow
b)it would undergo cleavage but only for a short while
c) it would not grow at all
d) it would grow only under certain nutrients
e) none of the above
a) HCG
b) Yolk Sac
c) estrogen
d) progesterone
e) growth hormone
During ovulation what happens?
a) high levels of progesterone signal positive feedback to inhibit LH
b) high levels of progesterone signal negative feedback to inhibit LH
c) high levels of estrogen signal negative feedback to induce LH
d) high levels of estrogen signal positive feedback to induce LH
e) Low levels of FSH signal positive feedback to induce LH
If you were to take out a cell from the non-gray (gray crescent) area of a developing frog embryo during early cleavage what would happen?
a) it would grow
b)it would undergo cleavage but only for a short while
c) it would not grow at all
d) it would grow only under certain nutrients
e) none of the above