Glycosylation and Glycoproteins — Flashcards

Flashcard 1: _____ liberates glucose-1-phosphate residues off branched glycogen until 4 glucose units remain on a branch

Answer: Glycogen phosphorylase

Flashcard 2: Galactose is converted to _____ via the enzyme galactokinase

Answer: galactose-1-phosphate

Flashcard 3: The enzyme _____ catalyzes the formation of α-1,4 glycosidic bonds between glucose molecules.

Answer: glycogen synthase

Flashcard 4: _____ disease is caused by a deficiency of the enzyme muscle glycogen phosphorylase (myophosphorylase)

Answer: McArdle

Flashcard 5: What protein is the primer acting as an acceptor of glucose residues in the process of glycogen synthesis?_____

Answer: Glycogenin

Flashcard 6: Which steps (2) of glycolysis require ATP? 1. _____ (Hexokinase/Glucokinase) 2. _____ (PFK-1)

Answer: Glucose -> Glucose-6-phosphate

Flashcard 7: _____ is the glycosaminoglycan present in the granules of the given mononuclear cell / mast cell.

Answer: Heparin

Flashcard 8: Which steps (2) of glycolysis produce ATP?

Answer: 1. 1,3-bisphosphoglycerate → 3-phosphoglycerate (catalyzed by phosphoglycerate kinase) 2. Phosphoenolpyruvate → pyruvate (catalyzed by pyruvate kinase) Note: Both of these are examples of substrate-level phosphorylation.

Flashcard 9: breast millk is richest in _____ carbohydrate

Answer: lactose

Extra: 

Flashcard 10: PEP carboxykinase is induced by _____ and cortisol

Answer: glucagon