Allolactose binds to the Lac repressor and triggers a change in the shape (conformation) of that protein. 

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#Id: 4751

#Unit 5. Developmental Biology

C. elegans demonstrates both the conditional and autonomous modes of cell specification. 

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#Id: 4752

#Unit 5. Developmental Biology

The P1 cell develops autonomously without the presence of AB, generating all the cells it would normally make, and the result is the posterior half of an embryo.

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#Id: 4753

#Unit 5. Developmental Biology

AB cell in isolation makes only a small fraction of the cell types it would normally make.

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#Id: 4754

#Unit 5. Developmental Biology

The determination of the P1-derived somatic founder cells (MS, E, C, and D)are autonomous, with cell fates determined by internal cytoplasmic factors SKN-1, PAL-1, and PIE-1

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#Id: 4755

#Unit 5. Developmental Biology

The SKN-1 protein is a transcription factor that initiates the activation of those genes responsible for forming the pharynx and intestine.

TLS Online TPP Program

#Id: 4756

#Unit 5. Developmental Biology

The SKN-1 protein is a maternally expressed transcription factor that controls the fate of the P1 blastomere(P1🡪EMS 🡪MS), that generates the posterior pharynx.