Cell adhesion molecules are thought to mediate A) ...

[abarnes]

Cell adhesion molecules are thought to mediate
 
  A) differentiation.
  B) aggregation.
  C) proliferation.
  D) sprouting.
  E) cell death.

Question 2

During the formation of the neural tube, a few cells break off from the neural tube and form a structure that lies just dorsal to the tube. This structure is the neural
 
  A) groove.
  B) canal.
  C) crest.
  D) zone.
  E) layer.

[covalentbond]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: C