The given below is the graphical representation of the changes in morphological features over a period of the geological time scale, where population A accumulates heritable morphological features and give rise to distinct species B. Population B splits in to a distinct species B1 and B2 Which of the following lineage represent the pattern of speciation by cladogenesis?

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