TLS Online TPP Program

#Question id: 26554


For the transport of fully matured/ spliced mRNA

#Unit 3. Fundamental Processes
  1. SR protein must be phosphorylated 
  2. SR protein must be dephosphorylated 
  3. SR protein should be partially phosphorylated 
  4. SR protein has nothing to do with this process
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TLS Online TPP Program

#Question id: 9164

#Unit 9. Diversity of Life Forms

Use the following figures to answer the question below.


East of the Mississippi River, in Hopkinsville Kentucky, the mean annual precipitation is 130 cm. The mean annual temperature is 14.3°C. In the winter, the mean temperature is 7.3°C, while in summer it is 20.6°C. Using the climograph shown here, how would we classify the biome found in Hopkinsville?


TLS Online TPP Program

#Question id: 9165

#Unit 9. Diversity of Life Forms

Which of the following biomes spans the largest annual mean temperature range, but the narrowest mean precipitation range?

TLS Online TPP Program

#Question id: 9166

#Unit 9. Diversity of Life Forms

If global warming continues at its present rate, which biomes will likely take the place of the coniferous forest (taiga)?

TLS Online TPP Program

#Question id: 9167

#Unit 9. Diversity of Life Forms

If you conclude that vegetation at every point on Earth exactly resembles the predicted biome distribution in a climograph, then ________.

TLS Online TPP Program

#Question id: 9168

#Unit 9. Diversity of Life Forms

Which of the following statements best describes the interaction between fire and ecosystems?

TLS Online TPP Program

#Question id: 9169

#Unit 9. Diversity of Life Forms

In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce often "lean over" (that is, they are displaced from their normal vertical alignment). What is the most likely explanation for the unusual growth of these forests in this marginal habitat?