Practice Questions

TLS Online TPP Program

#Question id: 3868

The sigma factor of E. coli RNA polymerase:

#Unit 3. Fundamental Processes

associates with the promoter before binding core enzyme.
combines with the core enzyme to confer specific binding to a promoter.
is inseparable from the core enzyme.
is required for termination of an RNA chain.

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TLS Online TPP Program

#Question id: 17812

#Unit 7. System Physiology – Animal

The body's main stress hormone is ______.

TLS Online TPP Program

#Question id: 26352

#Unit 2. Cellular Organization

Clock position of amino terminal tail of amino acid is fixed, so which of the following is correctly showing the position of H4

TLS Online TPP Program

#Question id: 26952

#Unit 10. Ecological Principles

Exponential growth represents

TLS Online TPP Program

#Question id: 16113

#Unit 7. System Physiology – Animal

Which of the behavioural components may not contribute by reducing the exposure of skin to the cold?

TLS Online TPP Program

#Question id: 23185

#Unit 13. Methods in Biology

An example of the use of a FRET biosensor for protein kinase a, which gives