Which of the following characteristics are TRUE for Lysosomes ?

a) Is a membrane-enclosed organelles

b) Is Filled with hydrolytic enzymes all are acid hydrolases 

c) Acid hydrolases they need to be activated by proteolytic cleavage

d) Work best at acidic pH

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: 23194

#Unit 13. Methods in Biology

The following are super-resolution techniques:

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: 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: 23197

#Unit 13. Methods in Biology

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

#Unit 13. Methods in Biology

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?