In a resting potential, an example of a cation that is more abundant as a solute in the cytosol of a neuron than it is in the interstitial fluid outside the neuron is ________.

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#Question id: 20329

#Unit 4. Cell Communication and Cell Signaling

What are AHL molecules?

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#Question id: 18221

#Unit 9. Diversity of Life Forms

In animal cells and in the meristem cells of land plants, the nuclear envelope disintegrates during mitosis. This disintegration does not occur in the cells of most protists and fungi. According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants? 

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#Question id: 1984

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a pathway that would lead to the activation of cytotoxic T cells?

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#Question id: 17264

#Unit 11. Evolution and Behavior

The strata of sedimentary rocks in the different regions of the world, have classified geologic history into eras;

Match the following;

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#Question id: 8941

#Unit 9. Diversity of Life Forms

You are trying to identify an organism. It is an animal, but it does not have nerve or muscle tissue. It is neither diploblastic nor triploblastic. It is probably a