A blastomere is a ________ and a blastocyst is ________.
A) hollow ball of cells; a cell resulting from cleavage
B) fetal organ produced by cleavage; an embryonic organ produced by cleavage
C) fetal membrane; an embryonic membrane
D) cell produced by cleavage; a hollow ball of cells
Correct Answer:
Verified
Q34: The fetal blood that passes through the
Q35: The placental membrane is composed of
A)the embryonic
Q36: A pregnant woman wants to know the
Q37: Some reproductive tumors produce hormones. One sign
Q38: The ductus venosus is a fetal vessel
Q40: Teratogens are substances that
A)stimulate embryonic growth.
B)cause congenital
Q41: The period of preactive dying takes
A)up to
Q42: Repair enzymes correct
A)the degeneration of collagen and
Q43: Which of the following provides the main
Q44: Fetal hemoglobin becomes largely replaced with adult
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