TLS Online TPP Program

#Question id: 1007


Which is the correct order for the synthesis of CTP?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. UMP → UDP→ UTP → CTP

  2. GMP → GDP→ GTP → CTP

  3. UTP → TTP→ CTP 

  4. UMP → CMP→ CDP → CTP

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TLS Online TPP Program

#Question id: 23579

#Unit 13. Methods in Biology

Results of research on the Human Genome Project should enable which of the following?

TLS Online TPP Program

#Question id: 4971

#Unit 11. Evolution and Behavior

On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords?

TLS Online TPP Program

#Question id: 12085

#Unit 10. Ecological Principles

In bottom sediments of lakes and streams, organic matter is broken down by heterotrophic microorganisms and ammonia is released. Under aerobic conditions, specialized bacteria convert ammonia to nitrate (nitrification). This nitrate, together with nitrate from other sources, diffuses into the deeper sediments, where it may undergo anaerobic conversion to nitrogen gas (denitrification). These sediments typically contain oligochaete worms that live with their heads buried and their tails waving back and forth in the overlying water. Plastic columns were packed with freshly collected  stream  sediments  and  then  covered  with  layers  of  nitrate enriched  water.  A  similar  set  of  columns  was packed with sediment that had been sterilized and then covered with either nitrate-enriched water or distilled water. Oligochaete  worms  were  collected  and  acclimated  to  20°(C)Following  acclimation,  worms  were  rinsed  in  distilled water and then added to three sediment columns. The columns were incubated in the dark at 20°C and monitored every three days for changes in the concentration of nitrate in the overlying water. Nitrate concentrations in each of the experimental treatments were plotted against time, as shown in the graph below.

Which of the following explains why the columns were incubated in the dark?

TLS Online TPP Program

#Question id: 24232

#Unit 4. Cell Communication and Cell Signaling

Desmocollins and desmogleins that form desmosomes are

TLS Online TPP Program

#Question id: 24645

#Unit 10. Ecological Principles

Choose the correct decreasing order for the Variety of Macronutrients that involves into the Limitation of Plant Growth?