In the early development of an amphibian embryo, an important "organizer" is located in the

A) neural tube.
B) notochord.
C) archenteron roof.
D) dorsal ectoderm.
E) dorsal lip of the blastopore.


Ans: E) dorsal lip of the blastopore.

Biology & Microbiology

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During what time of the day would the most hydrogen bonds reform between water molecules in a lake?

A) in the late morning B) at noon C) in the late afternoon D) at night

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A person who cannot make enough of the plasma protein ________ might have problems with water balance

Fill in the blank(s) with correct word

Biology & Microbiology