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TLS Online TPP Program

#Question id: 9177

Which of the following statements regarding turnover in a lake is correct?

#9. Diversity of Life Forms
  1. In fall turnover, dense water at 4°C sinks and disturbs sediments in the benthic zone.
  2. In fall turnover, dense water at 4°C rises and disturbs sediments in the benthic zone.
  3. The surface water gets to 4°C only by cooling.
  4. Fall turnovers and spring turnovers are exactly the same.
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TLS Online TPP Program

#Question id: 376

#1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is
TLS Online TPP Program

#Question id: 4376

#3. Fundamental Processes

Which of the following is the correct order of binding of general transcription factors to initiate transcription at RNA polymerase II promoters?
TLS Online TPP Program

#Question id: 4593

#11. Evolution and Behavior

Which of Darwin's ideas had the strongest connection to his reading of Malthus's essay on human population growth?
TLS Online TPP Program

#Question id: 4599

#11. Evolution and Behavior

Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.
TLS Online TPP Program

#Question id: 22949

#5. Developmental Biology

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?