Ability of core and holoenzyme to transcribe DNAs differs, so choose which of the following is correct

a.With  subunit, the holoenzyme worked equally well on both intact as well as nicked types of DNA

b.With  subunit, the holoenzyme worked unequally on both intact as well as nicked types of DNA

c.Core subunit α2ββσ can not perform polymerization on to the intact DNA while perform some of the activity on to the nicked DNA

d.Core subunit α2ββσ can not perform polymerization on to the intact DNA AS WELL AS  to the nicked DNA

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#Question id: 7531

#General Aptitude

Two runners A and B start running from diametrically opposite points on a circular track in the same direction. If A runs at a constant speed of 8 km/h and B at a constant speed of 6 km/h and A catches up with B in 30 minutes , what is the length of the track?

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#Question id: 7532

#General Aptitude

A train running at 36 kmph crosses a mark on the platform in 8 seconds and takes 20 seconds to cross the platform. What is the length of the platform ?

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#Question id: 7533

#General Aptitude

A 3 m long car goes past a 4 m long truck at rest on the road .The speed of the car is 7 m/s . The time taken to go past is

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#Question id: 7534

#General Aptitude

A person wanted to travel from charabag to Alambag with an average speed of kmph by car. The distance between Charbag and Alambag is 2 km . Due to heavy traffic, he could travel at 30 kmph for the first kilometer of his journey . What should his speed his speed be for the remaining journey to achieve his average speed target of 60 kmph ?

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#Question id: 7535

#General Aptitude

Ratio between speed of boat in still water to speed of stream is 5 : 2. If 224 km is travelled by downstream in 4 hours then find the difference between speed of boat in still water and speed of stream?

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#Question id: 7536

#General Aptitude

Two stations A and B are 220km apart on a straight line. One train starts from A at 7 am and travels towards B at 20km/hr speed. Another train starts from B at 10 am and travels toward A at a speed of 20 km/hr. At what time they will meet?