COP1 is found in the nucleus in the dark and in the cytoplasm in the light.

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#Id: 7419

#Unit 5. Developmental Biology

Ultrabithorax (Ubx), is required for the identity of the third thoracic segment.

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#Id: 9159

#Unit 11. Evolution and Behavior

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#Id: 7494

#Unit 4. Cell Communication and Cell Signaling

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#Id: 8903

#Unit 2. Cellular Organization

Chromosome compaction involving progressive chromosome looping:

During prophase, condensin II binds DNA and extrudes large loops

In prometaphase, condensin I forms additional loops nested within the loops formed by condensin II

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#Id: 9227

#Unit 6. System Physiology – Plant

The specificity factor (W) estimates the preference of rubisco for CO2 versus O2

where Vc and Vo  are the maximum velocities for carboxylation and oxygenation, respectively, and Kc and Ko are the Michaelis–Menten constants for CO2 and O2, respectively