Autophagy (“eating oneself”)

When cells are placed under stressful conditions, they have the capacity to recycle macromolecules for use as nutrients in a process of lysosomal degradation.

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#Section 3: Genetics, Cellular and Molecular Biology

Glycoproteins

Proteins with attached carbohydrates

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#Section 2: General Biology

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#Section 3: Genetics, Cellular and Molecular Biology

Biosynthesis of all N-linked oligosaccharides begins in the rough ER with a preformed oligosaccharide precursor containing 14 residues.

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#Section 3: Genetics, Cellular and Molecular Biology

Tunicamycin

blocks the first enzyme in this pathway, inhibits the synthesis of all N-linked oligosaccharides in cells.

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#Id: 8159

#Section 3: Genetics, Cellular and Molecular Biology

KDEL receptor, located mainly in the cis-Golgi network and in both COPII and COPI vesicles, binds proteins bearing the KDEL sorting signal and returns them to the ER