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TLS Online TPP Program

#Question id: 3868

The sigma factor of E. coli RNA polymerase: 

#Unit 3. Fundamental Processes

  1. associates with the promoter before binding core enzyme.

  2. combines with the core enzyme to confer specific binding to a promoter.

  3. is inseparable from the core enzyme.

  4. is required for termination of an RNA chain.

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TLS Online TPP Program

#Question id: 11755

#Unit 7. System Physiology – Animal

Which of the following solutions when infused intravenously would result in an increase in extracellular fluid volume, a decrease in intracellular fluid volume, and an increase in total body water after osmotic equilibrium?
TLS Online TPP Program

#Question id: 9175

#Unit 9. Diversity of Life Forms

In deep water, which of the following abiotic factors would most limit primary productivity?
TLS Online TPP Program

#Question id: 11635

#Unit 8. Inheritance Biology

Given below, is the result of a complementation test for eight independent mutants (1 to 8).
TLS Online TPP Program

#Question id: 7574

#General Aptitude

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
TLS Online TPP Program

#Question id: 7155

#Unit 5. Developmental Biology

What does it tell us about aging that cells from different organisms are capable of a fixed number of divisions in culture, and that number of divisions reflects the relative life-span of the organism?