A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?

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#Question id: 16491

#Unit 12. Applied Biology

Which was the first transgenic variety to reach market

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#Question id: 3446

#Unit 11. Evolution and Behavior

Which of the following is least related to the others?

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#Question id: 11295

#Unit 10. Ecological Principles

The amount of energy entering a food chain depends on the

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#Question id: 13192

#Unit 10. Ecological Principles

In the schematic below, the left panel represents climatic zones occupied by two different biomes, X and Y, along gradients of temperature and precipitation. The right panel depicts the expected species-area relationships of these two biomes. From the figures below, which of the following are most likely to be true?

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#Question id: 1187

#Unit 4. Cell Communication and Cell Signaling

Which protein stabilizes an intermediate in the Ras GTP hydrolysis reactions?