The trophoblast has many of the characteristics of ________ cells.
A) cardiac
B) cancer
C) infectious
D) smooth muscle
E) None of the answers is correct.
Correct Answer:
Verified
Q23: The endoderm forms
A) muscle.
B) blood.
C) neural tissue.
D)
Q27: Endoderm + mesoderm = which extra-embryonic membrane(s)?
A)chorion
B)amnion
C)allantois
D)yolk
Q28: Q29: The mesoderm and the cytotrophoblast combine to Q30: All of the following are true of Q32: The extra-embryonic membrane that forms a fluid-filled Q33: Which of the following descriptors regarding the Q34: The ectoderm forms Q40: The mesoderm forms Q71: Figure 29-1 Early Human Development
A)muscle.
B)blood.
C)neural tissues.
D)the lining of the
A) muscle.
B) epidermis.
C) the brain.
D)
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