Upon binding brassinolide, homodimers of BRI1 are activated and heterooligomerize with the RLK BRI1-ASSOCIATED RECEPTOR KINASE1 (BAK1)

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#Id: 3063

#Unit 10. Ecological Principles

The effects of varying values of c and z on the species-area relationship

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#Id: 7363

#Unit 5. Developmental Biology

On the right side of the embryo, activin is expressed, along with activin receptor IIa. This activates Fgf8, a protein that blocks expression of the gene for Cerberus.

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#Id: 10435

#Unit 4. Cell Communication and Cell Signaling

Direct-carcinogens includes:

Ethylmethane sulfonate (EMS)

Dimethyl sulfate (DMS)

Nitrogen mustards

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#Id: 6159

#Unit 3. Fundamental Processes

Ubiquitination of the sliding clamp is therefore a distress signal that recruits a translesion polymerase to rescue a replication machine that is stalled at a site of DNA damage.

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#Id: 380

#Unit 2. Cellular Organization

The histone-fold domain is composed of three a-helical regions separated by two short unstructured loops.