TLS Online TPP Program

#Question id: 4472


The hairpin works as an efficient terminator only when,

#Unit 3. Fundamental Processes
  1. It is followed by a stretch of A:T base pairs,

  2. At the time the hairpin forms, the growing RNA chain will be held on the template at the active site by only A:U base pairs

  3. Us in the transcript and As in the template

  4. B and C

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TLS Online TPP Program

#Question id: 10491

#Unit 6. System Physiology – Plant

Acidification of the lumen stimulates zeaxanthin formation, and alkalinization favors violaxanthin formation. Lumen pH depends on photosynthetic photon flux density, most effective at

TLS Online TPP Program

#Question id: 10492

#Unit 6. System Physiology – Plant

Three major distinct metabolic pathways that can supply osmotically active solutes to guard cells have been clearly characterized,

TLS Online TPP Program

#Question id: 10493

#Unit 6. System Physiology – Plant

Which wavelength modulates guard cell osmoregulation by means of its activation of proton pumping, solute uptake, and stimulation of the synthesis of organic solutes;

TLS Online TPP Program

#Question id: 10494

#Unit 6. System Physiology – Plant

Sucrose is an osmotically active solute in guard cells, One implication of these osmoregulatory features is that stomatal opening & closing is associated with which of the following given statements?

TLS Online TPP Program

#Question id: 10495

#Unit 6. System Physiology – Plant

Guard cells have different mechanisms mediating responses to blue light. The npq1 mutant has a lesion in the enzyme that covert violaxanthin to zeaxanthin. What will causes if the npq1 mutant?

TLS Online TPP Program

#Question id: 10496

#Unit 6. System Physiology – Plant

Blue light–stimulated stomatal opening is abolished by green light in the 500 to 600 nm region of the spectrum,what are these alphabet showing in the graph?