Glycoproteins, Glycolipids, Blood group substances Flashcards

1
Q

all amino sugars present in glycoproteins are derivatives of what?

A

glucosamine-6-phopsphate

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2
Q

GDP-sugars are the precurors for the addition of…

A

mannose and L-fucose

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3
Q

CMP-NANA is the precursor of…

A

NANA

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4
Q
  • glycolipid which helps in attachment of protein to cell membrane
  • compsoed of phosphatidylinositol group linked to a carb
  • allows great enhanced mobility
A

GPI

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5
Q
  • defects of GPI anchors

- hemolysis of rBCs due to slight drop in blood pH during sleep

A

Paraoxysmal noxturnal hemoglobinuria

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