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Chapter 5

Chapter 5

Multiple Choice

1.
b
3.
a
5.
b
7.
c
9.
c
11.
c
13.
b
15.
c
17.
b
18.
d
19.
d
21.
c
23.
b

Fill in the Blank

1.
primitive streak
3.
congenital brain
5.
neurotrophins