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TLS Online TPP Program

#Question id: 39241

Q. Which of the following best explains resistance due to gene amplification in plant cell cultures?

#Plant Biotechnology
  1. Permanent chromosomal rearrangement
  2. Increase in gene copy number as a temporary genomic change
  3. Stable epigenetic modification
  4. Point mutation in the coding region
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TLS Online TPP Program

#Question id: 19459

#Applied Microbiology

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: 19460

#Zoology

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: 19460

#Life Sciences

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: 19460

#Applied Microbiology

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: 19461

#Zoology

Phase-contrast microscopy is suitable for observing which kind of sample?
1. Single cells 
2. Group of cells
3. Thin cell layers
4. Thick cell layers
Which of the following options is correct?
TLS Online TPP Program

#Question id: 19461

#Life Sciences

Phase-contrast microscopy is suitable for observing which kind of sample?
1. Single cells 
2. Group of cells
3. Thin cell layers
4. Thick cell layers
Which of the following options is correct?