Practice Questions

TLS Online TPP Program

#Question id: 3869

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

#Unit 3. Fundamental Processes

It can start new chains de novo or elongate old ones.
It has no catalytic activity unless the sigma factor is bound.
It uses nucleoside 5'-triphosphates as substrates.
Its activity is blocked by rifampicin.

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TLS Online TPP Program

#Question id: 23606

#General Aptitude

A’s son B is married with C whose sister D is married to E the brother of B. How D is related to A?

TLS Online TPP Program

#Question id: 18903

#Unit 13. Methods in Biology

For imaging purpose, a specialized gamma camera is used to detect the radiation throughout the body. Most used techniques in nuclear imaging are

TLS Online TPP Program

#Question id: 1574

#Unit 4. Cell Communication and Cell Signaling

A bacterium entering the body through a small cut in the skin will do which of the following?

TLS Online TPP Program

#Question id: 12716

#Unit 6. System Physiology – Plant

Some cis-elements of target genes, which are involved in the Signal perception of stress (Drought/salinity and cold) to activating tolerance,

These cis-elements are____

TLS Online TPP Program

#Question id: 2648

#Unit 2. Cellular Organization

In which microorganism will you find attenuation by alternate loop formation due to ribosomal stalling?