Practice Questions

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#Question id: 779

Which is TRUE of the following statements?

#SCPH05 I Biotechnology

A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually a mRNA.
A single type of mRNA can be regulated by multiple different miRNAs.
A single miRNA normally binds to transcripts from just one target gene.
MicroRNAs normally regulate the expression of just a single gene.

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#Question id: 1270

#SCPH28 | Zoology

Which of the following is a major extracellular molecule in mammals containing no protein portion?

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#Question id: 23158

#SCPH06 I Botany

You have purified protein X and injected into an animal so that over a period of weeks, the animal will mount an immune response and make antibodies to protein X. By which technique these generated antibodies can be extracted from blood serum.

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#Question id: 11676

#SCPH28 | Zoology

In humans, the transport epithelial cells in the ascending loop of Henle:

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#Question id: 1619

#SCPH05 I Biotechnology

Which of the following statements is TRUE of interferons?

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#Question id: 13047

#SCPH28 | Zoology

8-Azaguanine renders the myeloma cells