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TLS Online TPP Program

#Question id: 31166

Which of the following correctly explains the after-hyperpolarization?

#Unit 7. System Physiology – Animal
  1. rapid return of the Na+ channels to the closed state
  2. slow return of the Na+ channels to the closed state
  3. rapid return of the K+ channels to the closed state
  4. slow return of the K+ channels to the closed state 
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TLS Online TPP Program

#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?
TLS Online TPP Program

#Question id: 18781

#Unit 13. Methods in Biology

In which of the following case a large lattice is formed?
TLS Online TPP Program

#Question id: 23074

#Unit 12. Applied Biology

For culturing, plasma from the adult chicken is preferred to mammalian plasma because
TLS Online TPP Program

#Question id: 3892

#Unit 3. Fundamental Processes

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:
TLS Online TPP Program

#Question id: 29006

#Unit 7. System Physiology – Animal

In bone, PTH receptors are located on