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TLS Online TPP Program

#Question id: 12798

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

#Unit 10. Ecological Principles
  1. The chance of fire in a given ecosystem is highly predictable over the short term.
  2. Many kinds of plants and plant communities have adapted to frequent fires.
  3. The prevention of forest fires has allowed more productive and stable plant communities to develop. 
  4. Chaparral communities have evolved to the extent that they rarely burn.
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TLS Online TPP Program

#Question id: 15704

#Unit 12. Applied Biology

Arabinogalactan and Auxin are the substances used for maintaining the_________ In medium.
TLS Online TPP Program

#Question id: 951

#Unit 1. Molecules and their Interaction Relevant to Biology

The changes that occur in cells that lead to its death are called ________.
TLS Online TPP Program

#Question id: 714

#Unit 1. Molecules and their Interaction Relevant to Biology

What is  the length of a polypeptide with 100 amino acids residue in a single contiguous alpha helix?
TLS Online TPP Program

#Question id: 544

#Unit 1. Molecules and their Interaction Relevant to Biology

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:
TLS Online TPP Program

#Question id: 23092

#Unit 12. Applied Biology

During which stage of wastewater treatment are methanogenic microbes most important?