GABA acts on prespore cells to induce secretion of AcbA.

TLS Online TPP Program

#Id: 93

#Unit 5. Developmental Biology

Autonomous Specification

Produces "mosaic" ("determinative") development 

Cells cannot change fate if a blastomere is lost

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#Id: 6792

#Unit 3. Fundamental Processes

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#Id: 8553

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Id: 10437

#Unit 4. Cell Communication and Cell Signaling

Benzo(a)pyrene

(found in cigarette smoke & coal tar) undergoes metabolic activation by cytochrome P-450 in the lungs to form a potent mutagen

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#Id: 1750

#Unit 4. Cell Communication and Cell Signaling

Class II MHC transcriptional activator called CIITA and another transcription factor called RFX, have both been shown to activate the promoter of class II MHC genes.

Defects in these transcription factors cause one form of bare lymphocyte syndrome.