Anticipation  Increasing severity or earlier age of onset of a genetic trait in succeeding generations. 

TLS Online TPP Program

#Id: 7322

#Unit 12. Applied Biology

Rhizofiltration is a process that filters water through a mass of roots to remove toxic substances or excess nutrients. The pollutants remain absorbed in or adsorbed on to the roots. As the roots become saturated with contaminants, they are harvested and disposed. 

TLS Online TPP Program

#Id: 7323

#Unit 12. Applied Biology

Phytodegradation works best with organic contaminants like herbicides, trichloroethylene, and methyl tert-butyl ether (MTBE – a volatile substance). 

TLS Online TPP Program

#Id: 860

#Unit 13. Methods in Biology

The PCR consists of three defined sets of times and temperatures, termed steps

a) Denaturation at 94°C, for 0.5 min

b) Primer annealing at 55°C for 1.5 min

c) Extension at 72°C for 1 min

TLS Online TPP Program

#Id: 861

#Unit 13. Methods in Biology

The time taken for each cycle is considerably longer than 3 min (0.5 + 1.5 +1 min)

TLS Online TPP Program

#Id: 862

#Unit 13. Methods in Biology

Polymerase chain reaction is based on thermal modulation and the only major difference in PCR and Replication is Origin Site.

TLS Online TPP Program

#Id: 863

#Unit 13. Methods in Biology

Thermal modulations are used in PCR for the functions of helicase and polymerase.