TLS Online TPP Program

#Question id: 23187


Which of the following is true about photoactivable fluorescent proteins?

#Unit 13. Methods in Biology
  1. Photoactivable fluorescent protein can be switched on by x-rays.
  2. Variant of fluorescent molecule that can be photoactivated by a wavelength different from its excitation wavelength
  3. Variant of fluorescent molecule that can be photoactivated by a same wavelength 
  4. Pin hole can be used to switch on the fluorescence of the variant molecule
More Questions
TLS Online TPP Program

#Question id: 26470

#Unit 3. Fundamental Processes

Choose which of the following statement is incorrect regarding the TCRF

TLS Online TPP Program

#Question id: 26469

#Unit 3. Fundamental Processes

RNA proofreading and backtrack in the prokaryotes is done by

TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 26467

#Unit 3. Fundamental Processes

Which of the following protein reduces the lifetimes of the rrn open promoters to a level at which they are responsive to changes in iNTP and ppGpp concentrations

TLS Online TPP Program

#Question id: 26466

#Unit 3. Fundamental Processes

Which of the following protein act as alarm and responsible for the production the “alarmone”

TLS Online TPP Program

#Question id: 26465

#Unit 3. Fundamental Processes

Breaking and remaking bonds in the process of the nucleotide addition cycle and undergoing translocation by a 
a. Necleosome paradox 
b. Parrondo’s paradox
c. Brownian ratchet 
d. C value paradox