If cells that have incorporated a high level of BrdU are exposed to light, they will photolyse; this has been used to selectively kill newly dividing cells.

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#Id: 5637

#Unit 7. System Physiology – Animal

Duplicity Theory 

The existence of these two kinds of input, each working maximally under different conditions of illumination

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#Id: 2359

#Unit 5. Developmental Biology

First possible mechanisms for neoblast specification during regeneration:

A single pluripotent neoblast is responsible for generating new cell progenitors that form the multipotent cells of the blastema.

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#Id: 5039

#Unit 3. Fundamental Processes

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#Id: 6356

#Unit 8. Inheritance Biology

Crosses for stem and leaf color in four-o’clocks illustrate cytoplasmic 

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#Id: 4328

#Unit 11. Evolution and Behavior