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TLS Online TPP Program

#Question id: 8689

Which of the following statements best describes the rationale for applying the principle of maximum parsimony in constructing phylogenetic trees?

#9. Diversity of Life Forms
  1. Parsimony allows the researcher to "root" the tree.
  2. Similarity due to common ancestry should be more common than similarity due to convergent evolution.
  3. The molecular clock validates the principle of parsimony.
  4. The outgroup roots the tree, allowing the principle of parsimony to be applied.
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TLS Online TPP Program

#Question id: 4948

#11. Evolution and Behavior

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 
TLS Online TPP Program

#Question id: 1292

#4. Cell Communication and Cell Signaling

Heparan sulfate, an example of a(n) _____________, aids in the activation of ____________.
TLS Online TPP Program

#Question id: 23495

#Aptitude

Which of the following is the appropriate definition of a computer?
TLS Online TPP Program

#Question id: 3902

#3. Fundamental Processes

Which of the following is/are incorrect?
TLS Online TPP Program

#Question id: 5080

#5. Developmental Biology

As cleavage continues during frog development, the size of the blastomeres: