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TLS Online TPP Program

#Question id: 11195

Action potentials move along axons ________.

#Unit 7. System Physiology – Animal
  1. more slowly in axons of large than in small diameter
  2. by activating the sodium-potassium "pump" at each point along the axonal membrane
  3. more rapidly in myelinated than in unmyelinated axons
  4. by reversing the concentration gradients for sodium and potassium ions
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TLS Online TPP Program

#Question id: 19708

#Unit 13. Methods in Biology

In complete heart block
TLS Online TPP Program

#Question id: 19787

#Unit 13. Methods in Biology

Polymerase chain reaction is based on___
a) Thermal modulation
b) pH dependent
c) Formation of amplicons by inserting some inputs for analysing its efficiency
d) Inter-complementary primers formation
TLS Online TPP Program

#Question id: 19788

#Unit 13. Methods in Biology

Thermal modulation are used in PCR for the function of__
TLS Online TPP Program

#Question id: 19789

#Unit 13. Methods in Biology

How to determine the size of PCR product?
TLS Online TPP Program

#Question id: 19790

#Unit 13. Methods in Biology

What will be the major difference between the PCR and replication is?
TLS Online TPP Program

#Question id: 19791

#Unit 13. Methods in Biology

Which of the following statements about polymerase chain reaction is correct?
a) PCR denaturation temperature calculated by using Y = X (1+E)n
b) Size of the primer negatively affects the efficiency of PCR
c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.
d) Primer annealing of PCR at 550C for 1.5 min.
e) Time taken for each cycle of PCR considerably longer than 3 min.