Enzymes — Flashcards

The Michaelis-Menten constant, Km is defined as the _____ concentration at which rate is equal to Vmax/2

While most enzymatic reactions follow a hyperbolic curve (Michaelis-Menten kinetics), _____ kinetics follow a sigmoidal curve

H2O2 is converted to _____ by the enzyme myeloperoxidase (oxidative burst)

All members of the tribe _____ have the enzyme phenylalanine deaminase which converts phenylalanine to phenylpyruvic acid (PPA reaction).

Dopamine in the CNS may be degraded to _____ via the enzyme catechol-O-methyltransferase (COMT)

Chymotrypsinogen is a _____ whereas its active form Chymotrypsin is a serine protease.

_____ and Catalase are two enzymes contained in aerobic organisms

_____ activates factor XII, which initiates the intrinsic pathway of the coagulation cascade

Phosphofructokinase-1 is regulated via negative feedback by _____ and citrate

_____ may be converted to norepinephrine via the enzyme dopamine beta-hydroxylase (with vitamin C as a cofactor)