TLS Online TPP Program

#Question id: 18748


Which of the following is not a condition for PCR in single cycle?

#Unit 13. Methods in Biology
  1. Initial Denaturation carried out for 0.5 minutes at 94 degrees
  2. Primer annealing carried out for 1.5 minutes at 55 degrees
  3. Initial Denaturation carried out for 3 minutes at 55 degrees
  4. DNA Extension  at 72 degrees for 1 minutes
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TLS Online TPP Program

#Question id: 10413

#Unit 1. Molecules and their Interaction Relevant to Biology

Following are certain statements are related to the effect of red and far-red light;
a) under a dense canopy much of the red light is absorbed by plant pigments, resulting in transmittance of mostly far-red light
b) Pr (red) has highest photon flux at 680 nm while Pfr (far-red) has highest photon flux at 730nm
c) Pfr far-red light–absorbing form, which is considered to be the physiologically active form of phytochrome
d) R:FR ratio is strongly affected by the presence of a canopy because chlorophyll absorbs far-red but not red light
Which one of the combinations of above statements is incorrect?

TLS Online TPP Program

#Question id: 3886

#Unit 3. Fundamental Processes

Which one of the following statements about the reverse transcriptases of retroviruses and the RNA replicases of other single-stranded RNA viruses, such as R17 and influenza virus, is correct?

TLS Online TPP Program

#Question id: 2427

#Unit 2. Cellular Organization

Known functions of actin-binding proteins include

a. severing of long filaments to generate shorter filaments.

b. inhibition of filament polymerization.                   

c. bundling of filaments.

d. acceleration of filament polymerization rates.

e. capping of the (+) end.

TLS Online TPP Program

#Question id: 19866

#Unit 13. Methods in Biology

Which of the following variants of PCR has been devised to increase the specificity of PCR without lowering the efficiency by variation annealing temperature?

TLS Online TPP Program

#Question id: 26927

#Unit 10. Ecological Principles

Multidimensional hypervolume is proposed by