Practice Questions

TLS Online TPP Program

#Question id: 3869

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

#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: 5363

#8. Inheritance Biology

A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?

TLS Online TPP Program

#Question id: 21183

#13. Methods in Biology

This PCR have mixtures of similar oligonucleotides that are used in a PCR to amplify unknown sequences of DNA, related to a known DNA sequence is

TLS Online TPP Program

#Question id: 3612

#8. Inheritance Biology

Multiple alleles control inheritance of

TLS Online TPP Program

#Question id: 23986

#Aptitude

Suppose a child is devoid of social efficiency then what measures will you adopt to overcome this difficulty?