Red light-induced Pfr formation initiates the degradation of PIF proteins through phosphorylation, followed by degradation via the proteasome complex

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#Id: 7384

#Unit 5. Developmental Biology

An anterior-to-posterior gradient of Bicoid protein

An anterior-to-posterior gradient of Hunchback protein

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#Id: 6158

#Unit 3. Fundamental Processes

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#Id: 5560

#Unit 7. System Physiology – Animal

Medullary collecting duct is permeable to urea, and there are special urea transporters that facilitate urea diffusion across the luminal and basolateral membranes

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#Id: 3080

#Unit 3. Fundamental Processes

In bacteria, MreB polymerizes and appears to move in patches around the circumference of the cell attached to the peptidoglycan synthesis machinery, includingPBP2.

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#Id: 511

#Unit 2. Cellular Organization

Viral and bacteriophage genomes have almost no repeated DNA, and L is approximately equal to N.