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#Question id: 5526


The allantois

#SCPH28 | Zoology
  1. Occurs in birds but not in mammals

  2. Is an outgrowth of the amnion in all animals producing it

  3. Contributes blood vessels to the umbilical cord in mammals

  4. Becomes the placenta in mammals


Answer:- Option(s): 3


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#Question id: 3702

#SCPH28 | Zoology

For the DNA strand 5'-TACGATCATAT-3' the correct complementary DNA strand is:

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#Question id: 3706

#SCPH28 | Zoology

During the elongation stage of DNA replication

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#Question id: 3707

#SCPH28 | Zoology

The replication of DNA is ________ because ________.

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#Question id: 3708

#SCPH28 | Zoology

The incorporation of new nucleotides into a growing strand of DNA occurs during ________.

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#Question id: 3709

#SCPH28 | Zoology

DNA that has been liberally labeled with radioactive 14C is used as the template for replication. Replication is carried out in a medium containing only unlabeled nucleotides. After two rounds of replication, what percent of DNA molecules are still labeled?

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#Question id: 3710

#SCPH28 | Zoology

The protein machine that carries out DNA replication is called ________.

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