Burning fossil fuels releases oxides of sulfur and nitrogen. These air pollutants can be responsible for ________.

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#Question id: 2954

#Unit 2. Cellular Organization

Cyclin concentrations are highest during which periods of the cell cycle?

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#Question id: 1574

#Unit 4. Cell Communication and Cell Signaling

A bacterium entering the body through a small cut in the skin will do which of the following?

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#Question id: 23172

#Unit 13. Methods in Biology

Green fluorescent protein do contains a tripeptide sequence i.e. ser-tyr-gly but it only fluoresce when 

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#Question id: 3856

#Unit 3. Fundamental Processes

In eukaryotes, the conserved element closest to the transcription start site is called the:

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#Question id: 16477

#Unit 12. Applied Biology

Individual cell lineages are first isolated from an organ they are then grown separately to high density in a three- dimensional matrix. This  type of culture is called