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TLS Online TPP Program

#Question id: 8698

Use the figure to answer the following question.

If the figure above is an accurate depiction of relatedness, then which of the following should be an accurate statement?

#Unit 9. Diversity of Life Forms
  1. The entire tree is based on minimum parsimony.
  2. If all species depicted here make up a taxon, this taxon is paraphyletic.
  3. The last common ancestor of species B and C occurred more recently than the last common ancestor of species D and E.
  4. Species A is the direct ancestor of both species B and species C.
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TLS Online TPP Program

#Question id: 2197

#Unit 2. Cellular Organization

 If a freshwater plant were put in sea water, its cells would:
TLS Online TPP Program

#Question id: 2198

#Unit 2. Cellular Organization

The cell in number (15) above would be in an environment that was:
TLS Online TPP Program

#Question id: 2199

#Unit 2. Cellular Organization

Which of the following is not an example of an ion transporter?
TLS Online TPP Program

#Question id: 2200

#Unit 2. Cellular Organization

A neurotransmitter that binds to a postsynaptic cell and opens K+ channels:
TLS Online TPP Program

#Question id: 2201

#Unit 2. Cellular Organization

Much of what we know about the nicotinic acetylcholine receptor has come from studies of:
TLS Online TPP Program

#Question id: 2202

#Unit 2. Cellular Organization

The distribution of K+ across an artificial membrane was measured, and the concentrations were found to be equal on both sides. Which of the following statements is true about the distribution of K+?