Gastrulation ________

A) produces a solid ball of cells
B) changes the blastocyst into an embryo that has three tissue layers
C) changes the fertilized egg into a blastocyst
D) changes a gastrula into a blastocyst


B

Biology & Microbiology

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If, during a dissection, you were asked to place a pin in the part of the kidney containing the collecting duct, you would pin the

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what membrane disrupting exotoxin secreted by Staph aureus cause leukocyte lyses?

What will be an ideal response?

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How many ventricles does the human brain have?

A. 5 B. 4 C. 2 D. 10

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