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TLS Online TPP Program

#Question id: 18743

What happens if insert DNA is cut with two different restriction enzymes at the ends?

#Unit 13. Methods in Biology
  1. It is difficult to insert the fragment
  2. The insert can be ligated in any orientation
  3. The insert can be ligated in one orientation only
  4. The amount of product increases
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TLS Online TPP Program

#Question id: 23199

#Unit 13. Methods in Biology

Metal shadowing- thin film of platinum is coated from a _________ which provides information about the three-dimensional topology of the sample.
TLS Online TPP Program

#Question id: 23200

#Unit 13. Methods in Biology

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

#Question id: 23201

#Unit 13. Methods in Biology

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

#Question id: 23202

#Unit 13. Methods in Biology

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

#Question id: 23203

#Unit 13. Methods in Biology

The biological materials have little intrinsic capability to ____________________
TLS Online TPP Program

#Question id: 23204

#Unit 13. Methods in Biology

Shadow casting is a technique in electron microscopy visualizing