With a few exceptions, most of the food chains studied by ecologists have a maximum of how many links?

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#Question id: 5555

#Unit 5. Developmental Biology

The formation of the fertilization envelope requires an increase in the cytosolic concentration of ________.

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#Question id: 11673

#Unit 7. System Physiology – Animal

Low selectivity of solute movement is a characteristic of ________.

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#Question id: 23180

#Unit 13. Methods in Biology

FRET is very sensitive to small changes in distance and in practice is not detectable at distances greater than 

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#Question id: 16123

#Unit 7. System Physiology – Animal

How fever can be reduced by aspirin?

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#Question id: 4662

#Unit 3. Fundamental Processes

Transcriptional activation by Pol II initiates transcription, polymerase pauses after transcribing fewer than 100 nucleotides due to the action of the elongation inhibitor such as