Practice Questions

TLS Online TPP Program

#Question id: 772

MicroRNAs:

#SCPH05 I Biotechnology

are specific for a promoter on one specific gene;
are specific for many different promoters on many different genes;
have a specific site on a single specific mRNA;
have a specific site on many different mRNAs.

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#Question id: 19707

#SCPH06 I Botany

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential ofventricular muscle fibers?

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#Question id: 9154

#SCPH28 | Zoology

The main reason polar regions are cooler than the equator is that ________.

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#Question id: 61

#SCPH05 I Biotechnology

Which of the following correctly describes chemical equilibrium?

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#Question id: 11527

#SCPH06 I Botany

Coleoptiles are very sensitive to light, if illuminated on one side with a short pulse of dim blue light, it will

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#Question id: 15715

#SCPH01 Biochemistry

In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed