Type-A ARRs negatively regulate cytokinin signaling by interacting with other proteins in a manner dependent on the phosphorylation state of the type-A ARR.

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#Id: 3611

#Unit 3. Fundamental Processes

Degeneracy of the Genetic Code

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#Id: 7910

#Unit 2. Cellular Organization

Mitochondria-associated membranes (MAMs)

The portions of the ER membranes that form special contact regions with the mitochondria.

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#Id: 1103

#Unit 2. Cellular Organization

Na+–K+ ATPase, consists of two types of subunits: 

α2 subunit

β2 subunit

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#Id: 7009

#Unit 5. Developmental Biology

Adult stem cells must maintain the long-term ability to divide, be able to produce some differentiated daughter cells, and still repopulate the stem cell pool.

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#Id: 2507

#Unit 13. Methods in Biology

Two-Dimensional Polyacrylamide Gel Electrophoresis  technique combines the technique of IEF (first dimension), which separates proteins in a mixture according to charge (pI), with the size separation technique of SDS–PAGE (second dimension).