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TLS Online TPP Program

#Question id: 12807

If Earth's axis of rotation suddenly became perpendicular to the plane of its orbit, the most predictable effect would be

#Unit 10. Ecological Principles
  1. No more night and day. 
  2. A big change in the length of the year.
  3. A cooling of the equator.
  4. A loss of seasonal variation at high latitudes.
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TLS Online TPP Program

#Question id: 4126

#Unit 3. Fundamental Processes

Which one of the following is true about the genetic code?
TLS Online TPP Program

#Question id: 1396

#Unit 4. Cell Communication and Cell Signaling

Trks are:

a. endonucleases.        b. transmembrane receptors.   c. proteases.     d. protein kinases.      
TLS Online TPP Program

#Question id: 11476

#Unit 7. System Physiology – Animal

What structures would neurobiologists look for if they are interested in determining if an animal can see in color?
TLS Online TPP Program

#Question id: 12653

#Unit 6. System Physiology – Plant

In tobacco, virus-induced gene silencing of the genes for which type of  kinases that are the members of the MAPK family, which are involved in the regulation of antiherbivore defenses?
TLS Online TPP Program

#Question id: 4155

#Unit 3. Fundamental Processes

Of all the possible triplet codons, __ do not code for an amino acid.