Practice Questions

TLS Online TPP Program

#Question id: 3866

Which of the following statements about E. coli RNA polymerase (core enzyme) is false?

#SCPH28 | Zoology

In the absence of the B subunit, core polymerase has little specificity for where initiation begins.
he core enzyme contains several different subunits.
The core enzyme has no polymerizing activity until the  subunit is bound.
The RNA chain grows in a 5' -> 3' direction.

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TLS Online TPP Program

#Question id: 9163

#SCPH28 | Zoology

Use the following figures to answer the question below

Based on the data in the figures, which of the following statements are correct?

I) Area 1 would be considered a desert because of its high average temperature.

II) Area 1 has more average precipitation than Area 2.

III) Area 2 would be considered a desert because of its low average precipitation.

IV) Area 2 has a larger annual temperature variation.

TLS Online TPP Program

#Question id: 13025

#SCPH01 Biochemistry

Which enzyme is used for homopolymer tailing?

TLS Online TPP Program

#Question id: 4158

#SCPH05 I Biotechnology

What is a reasonable number of nucleotides in a tRNA molecule?

TLS Online TPP Program

#Question id: 14519

#SCPH01 Biochemistry

One of the two mutually exclusive events must occur, if the chance of one is 2/3 of the other, then odds in favour of the other are

TLS Online TPP Program

#Question id: 1620

#I Life Science/ Life Sciences Group – I-V

Natural killer (NK) cells do NOT: