A compound containing N-acetylneuraminic acid (sialic acid) is:

TLS Online TPP Program

#Question id: 23178

#Unit 13. Methods in Biology

If cyan fluorescent protein (CFP) and yellow  fluorescent protein (YFP) are present in close proximity  and emission light of wavelength 433nm is applied what will be observed.

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?