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TLS Online TPP Program

#Question id: 564

A good transition-state analog:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. binds covalently to the enzyme.

  2. binds to the enzyme more tightly than the substrate.

  3. binds very weakly to the enzyme.

  4. is too unstable to isolate.

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TLS Online TPP Program

#Question id: 23196

#Unit 13. Methods in Biology

What kind of lenses are used to focus a high-velocity electron beam instead of the visible light.
TLS Online TPP Program

#Question id: 23195

#Unit 13. Methods in Biology

Electron microscopy under optimal conditions can provide a resolution of upto 
TLS Online TPP Program

#Question id: 23194

#Unit 13. Methods in Biology

The following are super-resolution techniques:
TLS Online TPP Program

#Question id: 23193

#Unit 13. Methods in Biology

When you try to image two fluorescent spots separated by 75 nm the fluorescence overlap so much that they look like one spot. Which microscopy can resolve this?
TLS Online TPP Program

#Question id: 23192

#Unit 13. Methods in Biology

The images imaged by conventional point-scanning confocal microscopy and by SIM, SIM improves resolution about 
TLS Online TPP Program

#Question id: 23191

#Unit 13. Methods in Biology

In stimulated emission depletion (STED) microscopy the focused excitation laser point is surrounded by a