| 21. | The synthesis and degradation of sialic acid are distributed in different compartments of the cell.
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| 22. | Free sialic acid molecules are transported to the cytosol through the membrane of the lysosome.
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| 23. | It is believed that sialic acid has a decisive role in enabling neurotransmission between neurons.
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| 24. | It can cause the removal of sialic acid residues from the cell surface or serum sialoglycoconjugates.
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| 25. | Sialic acids can also be degraded to acylmannosamine and pyruvate with the cytosolic enzyme acylneuraminate lyase.
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| 26. | "' Sialyltransferases "'are enzymes that transfer sialic acid to nascent oligosaccharide.
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| 27. | Sialic acid is a negatively charged sugar associated with the protein and lipid portions of lipoproteins.
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| 28. | The numbering of the sialic acid structure begins at the carboxylate carbon and continues around the chain.
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| 29. | The alpha-anomer is the form that is found when sialic acid is bound to glycans.
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| 30. | The sialic acid-rich regions contribute to creating a negative charge on the cells'surfaces.
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