voltage-gated K + channels bring the action potential to an end and cause closure of their gates through a negative feedback process

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#Id: 6385

#Unit 2. Cellular Organization

Promoter mutations are also cis-acting. If they prevent RNA polymerase from binding at P-lac, the structural genes are never transcribed.

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#Id: 10204

#Unit 6. System Physiology – Plant

Cytokinin has been linked to the activation of a Cdc25- like phosphatase, whose role is to remove an inhibitory phosphate group from the Cdc2 kinase. 

Cytokinins elevate the expression of the CYCD3 gene, which encodes a D-type cyclin'

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#Id: 5097

#Unit 6. System Physiology – Plant

Plant phytochrome is an autophosphorylating serine/threonine kinase that may phosphorylate other proteins (X).

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#Id: 6669

#Unit 3. Fundamental Processes

There are three type of Splicing signals 

 Major U2-type or GU-AG introns

Minor U12-type or AU-AC introns

Minor U12-type with GU-AG introns (hybrid type)

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#Id: 10244

#Unit 6. System Physiology – Plant