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TLS Online TPP Program

#Question id: 5809

Based on the physiological adaptation theory, bacterial populations that had not been exposed to T1 infection:

#Unit 8. Inheritance Biology

  1. Should have a high level of resistance to T1 phage.

  2. Should be completely susceptible to infection by T1 phage.

  3. Should replicate more rapidly in the presence of T1 phage.

  4. All of the above.

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TLS Online TPP Program

#Question id: 19460

#Unit 13. Methods in Biology

In phase contrast unobstructed light passes through a region of________ that both transmits only a small percentage of the light and changes its phase slightly.
TLS Online TPP Program

#Question id: 19459

#Unit 13. Methods in Biology

Phase-contrast microscopy depends on the refractive index of the region of specimen and generates image in which we see a pattern of 
TLS Online TPP Program

#Question id: 19458

#Unit 13. Methods in Biology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?
TLS Online TPP Program

#Question id: 19456

#Unit 13. Methods in Biology

Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto
TLS Online TPP Program

#Question id: 19454

#Unit 13. Methods in Biology

Resolving power has the ability to distinguish between 
TLS Online TPP Program

#Question id: 19453

#Unit 13. Methods in Biology

What will be the value of resolution when the angle given is 60O  and R.I. given is 1.3 at 340nm?