The NtrC protein from E. coli

a. is a σ54 RNA polymerase.             

b. stimulates transcription of the glnA gene.

c. is activated by a protein kinase called NtrB.

d. binds both to an enhancer site upstream of the glnA gene and to RNA polymerase.

e. has ATPase activity.

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#Question id: 13026

#Unit 13. Methods in Biology

A blunt ended insert can not be ligated with a blunt ended vector by means of which of the followings:-

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#Question id: 4305

#Unit 3. Fundamental Processes

Which of the following molecules is a protein produced by a regulatory gene?

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#Question id: 24471

#Unit 3. Fundamental Processes

Fluorochrome-coupled monoclonal antibodies to the FLAG or myc epitopes can then be used to detect the recombinant protein in the cell. Alexa- 488-labeled antibody –emit……., Alexa-568-labeled antibody emits ……….respectively

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#Question id: 10833

#Unit 10. Ecological Principles

All the organisms that occur in the redwood community

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#Question id: 10553

#Unit 6. System Physiology – Plant

Cell walls allow plant cells to build up large internal hydrostatic pressures called