At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.

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#Question id: 12067

#XL - S Microbiology

Which pair of alternatives is highlighted by the life cycle of the cellular slime molds, such as Dictyostelium?

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#Question id: 12745

#XL - S Microbiology

Choose the correct statement about Serotyping.

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#Question id: 4753

#XL - R Botany

Pattern baldness in humans is a sex-influenced trait that is autosomes dominant in males and recessive in females. What is genotype of both parents with normal hair had one son with pattern baldness and another son is normal hair?

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#Question id: 3768

#XL - Q Biochemistry

After the first replication was observed in their experiments testing the nature of DNA replication, Meselson and Stahl could be confident of which of the following conclusions?

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#Question id: 4993

#XL - S Microbiology

If the prokaryotic flagellum developed from assemblages of proteins that originally were not involved with cell motility but with some other function instead, then the modern prokaryotic flagellum is a(n)