The α subunit of each integrin is the primary determinant of its extracellular ligand specificity.

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#Id: 10132

#Unit 6. System Physiology – Plant

PIN7 and PIN3 are thought to redirect auxin back into vascular parenchymal tissue, where polar transport takes place.

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#Id: 1074

#Unit 5. Developmental Biology

Class B and C activities form stamens.

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#Id: 8935

#Unit 2. Cellular Organization

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#Id: 7955

#Unit 2. Cellular Organization

Only asparagine residues in the tripeptide sequences Asn-X-Ser and Asn-X-Thr (where X is any amino acid except proline) are substrates for oligosaccharyl transferase.

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#Id: 8003

#Unit 10. Ecological Principles

Ecological envelope - The range of ecological conditions that are predicted to be suitable for a species.