Glycolipids and Glycoproteins Watch

Katy Lou
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Are glycolipids and glycoprotein intrinsic or extrinsic? My book tells me intrinsic but my teacher told me extrinsic and the internet is confusing me more.
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Helloitsme23
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They are extrinsic because they don’t go through the whole phospholipid bilayer, only through the first phospholipids.
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sammyarora
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are you using the OCR A Level textbook as it says 'glycoproteins are intrinsic' however in the back of the book questions, it says an example of an extrinsic protein is a glycoprotein.'
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Leo.P
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I am using the OCR A level textbook.
Glycoproteins are intrinsic - 5th paragraph on page 104 "Glycoproteins are intrinsic proteins"
Glycolipids are extrinsic - 10th paragraph on page 204 "they [glycolipids] are lipids with attached carbohydrate (sugar) chains". Therefore, as lipids are extrinsic by nature, hence a phospholipid bilayer (2 layers of extrinsic lipids), a lipid with a carbohydrate chain attached remains extrinsic.

Hope this clears this up!
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