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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?

#Unit 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: 12124

#Unit 10. Ecological Principles

Which of the following describes the relationship between ants and acacia trees?
TLS Online TPP Program

#Question id: 3877

#Unit 3. Fundamental Processes

Differential RNA processing may result in:
TLS Online TPP Program

#Question id: 404

#Unit 1. Molecules and their Interaction Relevant to Biology

When a mixture of 3-phosphoglycerate and 2-phosphoglycerate is incubated at 25 °C with phosphoglycerate mutase until equilibrium is reached, the final mixture contains six times as much 2-phosphoglycerate as 3-phosphoglycerate.  Which one of the following statements is most nearly correct, when applied to the reaction as written?  (R = 8.315 J/mol·K; T = 298 K)  3-Phosphoglycerate -> 2-phosphoglycerate
TLS Online TPP Program

#Question id: 11305

#Unit 2. Cellular Organization

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly
TLS Online TPP Program

#Question id: 4125

#Unit 3. Fundamental Processes

Which of the following are features of the wobble hypothesis?