During the germinal period, the fertilized ovum duplicates and forms a blastocyst. This hollow ball of cells

a. fills the amnion with fluid
b. develops a tail for movement
c. contains the embryonic disk
d. shrinks in size and is absorbed by the blood


Answer: c. contains the embryonic disk

Biology & Microbiology

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Indicate whether the statement is true or false.

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Which discovery was determined about DNA from x-ray diffraction data?

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The parietal lobe is responsible for ____

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