Promoters for Pol II typically have a TATA box and Inr sequence, as well as multiple binding sites for transcription activators. The latter sites, sometimes located hundreds or thousands of base pairs away from the TATA box, are called

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#Question id: 2272

#Unit 2. Cellular Organization

Bacteria may be propelled by

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#Question id: 23887

#Unit 13. Methods in Biology

Which of the following sequences in double-stranded DNA is most likely to be recognized as a cutting site for a restriction enzyme? 

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#Question id: 23085

#Unit 12. Applied Biology

The major problem associated with the isolation of free cells and cell aggregates from organs is that of

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#Question id: 26468

#Unit 3. Fundamental Processes

RNA polymerase performs two proofreading functions on that growing transcript Choose the correct statement regarding the proofreading functions

a.in the pyrophosphorolytic editing catalyze the removal of an incorrectly inserted ribonucleotide, by reincorporation of PPi

b.In the pyrophosphorolytic editing the polymerase backtracks by one or more nucleotides and cleaves the RNA product

c.In hydrolytic editing, the polymerase backtracks by one or more nucleotides and cleaves the RNA product

d.In hydrolytic editing, catalyze the removal of an incorrectly inserted ribonucleotide, by reincorporation of Ppi

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#Question id: 19335

#Unit 12. Applied Biology

Which one of the following nanotubes cannot be easily twisted?