Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 62587
TLS Online TPP Program

#Question id: 2726

Which property is shared by the five histone proteins?

#Environmental Science

  1. They are acidic proteins with relatively large molecular weights.

  2. They are multimeric proteins with high levels of Arg and Lys.

  3. They are fibrous proteins with high amounts of α-helix.

  4. They are globular proteins with a positive charge.

More Questions
TLS Online TPP Program

#Question id: 23197

#Applied Microbiology

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

#Applied Microbiology

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?
TLS Online TPP Program

#Question id: 23200

#Applied Microbiology

Scanning electron microscopy (SEM) allows investigators to view the 
TLS Online TPP Program

#Question id: 23201

#Applied Microbiology

The resolving power of Transmission electron microscopy is derived from _______________
TLS Online TPP Program

#Question id: 23202

#Applied Microbiology

The cathode of transmission electron microscope consists of a ____________________
TLS Online TPP Program

#Question id: 23205

#Applied Microbiology

Which type of electrons are excited in SEM when intense electron beam is applied over sample?