Practice Questions

TLS Online TPP Program

#Question id: 3869

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

#Molecular Biology

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: 14475

#Biotechnology

Probability of getting tail in a throw of a coin is

TLS Online TPP Program

#Question id: 14476

#Biotechnology

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

TLS Online TPP Program

#Question id: 14477

#Biotechnology

Probability of a card drawn at random from an ordinary pack of cards to be club card is

TLS Online TPP Program

#Question id: 14479

#Biotechnology

Probability of getting a total of more than 10 in a single throw with 2 dice

TLS Online TPP Program

#Question id: 14480

#Biotechnology

Probability than a leap year selected at random will have 53 Sundays.

TLS Online TPP Program

#Question id: 14481

#Biotechnology

A card is drawn from an ordinary pack of playing cards and a person bets that it is a spade or an ace. Then the odds against his winning this bet is