TLS Online TPP Program

#Question id: 3823


Regarding DNA replication and DNA synthesis, which, if any, of the following statements is incorrect?

#Unit 3. Fundamental Processes
  1. The leading strand is replicated continuously.

  2. The lagging strand is replicated discontinuously: the new DNA is synthesized as short pieces of DNA that must be ligated together.

  3. A DNA polymerase always requires a DNA template to synthesize a complementary DNA.

  4. A DNA polymerase requires a short RNA primer when synthesizing new DNA strands using a DNA template.

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TLS Online TPP Program

#Question id: 13058

#Unit 13. Methods in Biology

Precision will be reduced, but yield will be increased
Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.
Which of the following true about real time PCR?

TLS Online TPP Program

#Question id: 26989

#Unit 10. Ecological Principles

In metapopulation, calculate proportion of occupied patches, if given extinction of populations in patches per unit time  is called extinction rate=0.16 and the rate of movement between patches=0.24

TLS Online TPP Program

#Question id: 28266

#Unit 5. Developmental Biology

SAP in the egg jelly of, Strongylocentrotus purpuratus is called___

TLS Online TPP Program

#Question id: 681

#Unit 1. Molecules and their Interaction Relevant to Biology

How many monomers are there in an oligomeric protein designated αβ2γ2?

TLS Online TPP Program

#Question id: 19384

#Unit 12. Applied Biology

An alternative to create glyphosate resistance in plants can be generated by