Retinal is parallel to the surface of the membrane and is attached to a lysine residue at position 296 in the seventh transmembrane domain.

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#Id: 10493

#Unit 4. Cell Communication and Cell Signaling

Some Cytotoxic T cells express on their surface FasL, a natural ligand molecule related to TNF

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#Id: 3879

#Unit 5. Developmental Biology

The emerging column of cells topples over called ‘the slug’.

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#Id: 7524

#Unit 6. System Physiology – Plant

Auxin-induced proton extrusion acidifies the cell wall and increases cell extension Auxin increase the rate of proton extrusion (wall acidification), and the kinetics of proton extrusion should closely match those of auxin-induced growth.

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#Id: 6404

#Unit 2. Cellular Organization

Region 1 Leader peptide is of 14 Amino acids Met------Ser 

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#Id: 4475

#Unit 13. Methods in Biology

Phase-contrast microscopy is suitable for observing single cells or thin cell layers.