Which of the following is identified as the "principal limiting factor" for vascular differentiation in tissue culture?

TLS Online TPP Program

#Question id: 23190

#Zoology

If we want to view live cells which microscopy can be best used for this?

1. Structured illumination microscopy

2. Phase contrast microscopy

3. Scanning electron microscopy

4. Cryoelectron microscopy

Which of the following option has correct combination?

TLS Online TPP Program

#Question id: 23193

#Zoology

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: 23195

#Zoology

Electron microscopy under optimal conditions can provide a resolution of upto 

TLS Online TPP Program

#Question id: 23196

#Zoology

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

TLS Online TPP Program

#Question id: 23197

#Zoology

In order to view images in TEM staining process has to be done. What kind of staining process are done.

1. Negative staining

2. Gram staining

3. Metal shadowing 

4. Immuno staining

Which of the following is true for TEM?

TLS Online TPP Program

#Question id: 23198

#Zoology

The commonly used heavy metals in staining for electron microscopy are.

1. Uranium

2. Gold

3. Lead

4. Osmium

5. Platinum

Which of the following option has correct combination?