Which of these statements concerning the neural tube is NOT correct?
A) The neural tube is formed from fusion of the neural folds.
B) The neural tube is composed of cells called neuroectoderm.
C) The brain and spinal cord are derived from the neural tube.
D) The cells of the neural tube itself are called neural crest cells.
E) The neural tube is formed from ectoderm.
Correct Answer:
Verified
Q2: All of these are factors that facilitate
Q3: Chorionic villi protrude into blood-filled cavities called
Q4: The fluid-filled cavity in the blastocyst is
Q5: The trophoblast
A)forms the embryonic part of the
Q6: Fertilization,the union of the sperm cell and
Q7: Which of the following tissues most likely
Q8: The face develops from
A)two tissue masses.
B)three tissue
Q9: Which of these is NOT a structure
Q10: The chorion (later placenta)secretes
A)HCG.
B)FSH.
C)LH.
D)TSH.
E)ADH.
Q11: Functions of the placenta include
A)production of HCG.
B)diffusion
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