Which of these becomes the baby?

A) inner cell mass B) trophoblast C) placenta D) outer cell mass


Answer: A

Biology & Microbiology

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Which level of organization includes all of the others in the list?

A. cell. B. tissue. C. organ. D. organism. E. population.

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The strand of DNA is wrapped around _____ at number 5

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Removal of the 5' G-cap of mRNA transcripts

A) prevents transcript transport. B) leads to degradation by exonucleases. C) extends mRNA half-life. D) leads to polyadelylation. E) reduces mRNA half-life.

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A nauplius larva is characteristic of:

a. molluscs. b. gastropods. c. echinoderms. d. crustaceans. e. ctenophores.

Biology & Microbiology