Which of the following is false?
a. The endoderm, mesoderm, ectoderm
are germ layers.
b. The trophoblast is a germ layer.
c. The inner cell mass is a source of
embryonic stem cells.
d. The blastula is often a hollow ball of
cells.
Which of the following is false?
a. The endoderm, mesoderm, ectoderm
are germ layers.
b. The trophoblast is a germ layer.
c. The inner cell mass is a source of
embryonic stem cells.
d. The blastula is often a hollow ball of
cells.