The inner cell mass of the blastocyst develops into the ____

a. amnion
b. zygote
c. embryo
d. yolk sac
e. placenta


ANSWER: c

Biology & Microbiology

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Mendel kept detailed records of the genetic traits of parent plants and their offspring plants. Among observations, he found that some traits were not expressed, whenever one particular allele was present. He referred to these traits as masked traits, or

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The male part of a flower is the

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In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?

a. brain b. kidney c. liver d. heart e. spleen

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