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TLS Online TPP Program

#Question id: 10202

What will happen if C4 leaves are exposed to low O2 concentrations?

#Unit 6. System Physiology – Plant
  1. photorespiration is minimized
  2. The quantum yields for CO2 fixation remain constant at about 0.05 to 0.6 mole of CO2 per mole of photons

  3. The carbon-concentrating mechanism in C4 photosynthesis Accept all CO2 via photorespiration

  4. maximum quantum yield increases to about 0.09 mole of CO2 per mole of photons 
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TLS Online TPP Program

#Question id: 18832

#Unit 13. Methods in Biology

The following PCR technique allows measuring the DNA amplification at each cycle of PCR contrary to end point detection in traditional PCR
TLS Online TPP Program

#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the  DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is
TLS Online TPP Program

#Question id: 18834

#Unit 13. Methods in Biology

A researcher is trying to alter five successive base pairs in the middle of a PCR amplified DNA fragments. Which technique is the most recommended for performing such experiment? 
TLS Online TPP Program

#Question id: 18835

#Unit 13. Methods in Biology

Polymerase chain reaction (PCR) utilizes a heat-stable polymerase (Taq polymerase) to amplify DNA strand. Which of the statement best describes why thermo-stable polymerases are required for PCR?
TLS Online TPP Program

#Question id: 18836

#Unit 13. Methods in Biology

Which of the following is/are not a component of a polymerase chain reaction mixture?
TLS Online TPP Program

#Question id: 18842

#Unit 13. Methods in Biology

Which of the following is in the correct order regarding DNA extraction