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TLS Online TPP Program

#Question id: 2241

Which of the following statement(s) is (are) true of V-class proton pumps?

#Unit 2. Cellular Organization
  1. They are ATPases.
  2. They are present in membranes of plant vacuoles.
  3. They serve to decrease the pH inside a lysosome.
  4. They can acidify the lumen of an organelle (or the extracellular space) because these pumps are electrogenic
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TLS Online TPP Program

#Question id: 23179

#Unit 13. Methods in Biology

In order to observe FRET two flurophores must be in close proximity of about 10nm distance. Given below are few flurorescent molecules.
1. YFP
2. RFP
3. GFP
4. CFP
Which option below contains correct combination of flurorescent molecules that can give FRET?
TLS Online TPP Program

#Question id: 23180

#Unit 13. Methods in Biology

FRET is very sensitive to small changes in distance and in practice is not detectable at distances greater than 
TLS Online TPP Program

#Question id: 23181

#Unit 13. Methods in Biology

__________ type of biosensors exist to measure the concentration and location of Ca2+ and the activation state of GTPase switch proteins.
TLS Online TPP Program

#Question id: 23183

#Unit 13. Methods in Biology

FRET sensors have been developed to determine where signaling between 
TLS Online TPP Program

#Question id: 23184

#Unit 13. Methods in Biology

FRET technique can be used to measure the local activity of a specific 
1. Protein kinase
2. Primer extension
3. Ion signalling
Which of the following are correct?
TLS Online TPP Program

#Question id: 23185

#Unit 13. Methods in Biology

An example of the use of a FRET biosensor for protein kinase a, which gives