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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

  1. It can start new chains de novo or elongate old ones.

  2. It has no catalytic activity unless the sigma factor is bound.

  3. It uses nucleoside 5'-triphosphates as substrates.

  4. Its activity is blocked by rifampicin.

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TLS Online TPP Program

#Question id: 22983

#General Aptitude

How many rectangles are there in the diagram?
TLS Online TPP Program

#Question id: 20353

#General Aptitude

The ratio of the perimeters of a circle and a square having the same area is:
TLS Online TPP Program

#Question id: 20355

#General Aptitude

How many rectangles are there in the following diagram? 
TLS Online TPP Program

#Question id: 20657

#General Aptitude

A spherical mammalian cell of radius ‘R’ is infected by a single coccus bacterium having 100 times smaller radius. Given that the host cell will lyse when 1/2 of the cell volume is taken up by the bacterium, approximately how many times will the bacterium divide before the host cell is lysed?
TLS Online TPP Program

#Question id: 13153

#General Aptitude

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is
TLS Online TPP Program

#Question id: 14089

#General Aptitude

 If the orthocentre and the centroid of a triangle are the same, then the triangle is :