The phosphorylated Ci is proteolytically cleaved by the ubiquitin-proteasome pathway, generating an N-terminal fragment Ci75, which functions as a transcriptional repressor of Hh target genes.

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#Id: 6824

#Unit 8. Inheritance Biology

Quantitative trait loci (QTLs) - Chromosomal regions containing genes that influence a quantitative trait.

AaBbCc

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#Id: 7425

#Unit 5. Developmental Biology

Cell Aggregation & Differentiation is common to all Dictyostelids. It consists of an interconnected programme of cell movement and cell differentiation.

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#Id: 8097

#Unit 1. Molecules and their Interaction Relevant to Biology

Dipalmitoylphosphatidylcholine (DPPC) is the major lipid of lung surfactant, the protein–lipid mixture that is essential for normal pulmonary function.

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#Id: 2374

#Unit 5. Developmental Biology

An anterior-to-posterior gradient of Erk signaling functions as a positive inducer of head specification

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#Id: 7386

#Unit 5. Developmental Biology

A third set of maternal genes whose proteins generate the unsegmented extremities of the anterior-posterior axis: the acron (the terminal portion of the head that includes the brain) and the telson (tail).