A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

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#Question id: 11299

#Unit 10. Ecological Principles

Carbon is initially incorporated into the food chain by _____________

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#Question id: 11300

#Unit 10. Ecological Principles

What type of organisms convert nitrates and nitrites into nitrogen gas?

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#Question id: 11301

#Unit 10. Ecological Principles

How is phosphorus returned to the soil from organic phosphorus?

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#Question id: 11302

#Unit 2. Cellular Organization

Solute selectivity is elegantly illustrated by maltoporin. This bacterial outer membrane protein facilitates the diffusion of:

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#Question id: 11303

#Unit 2. Cellular Organization

Which of the following processes includes all the others?

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#Question id: 11304

#Unit 2. Cellular Organization

In what way do the membranes of a eukaryotic cell vary?