Adrenaline (epinephrine) is derived from: phenylalanine tyrosine tryptophan pral

Question

Adrenaline (epinephrine) is derived from: phenylalanine tyrosine tryptophan praline Which of these statements about IP3 is correct? IP3 is generated by cleavage of a sphinx go lipid The mechanism of IP3 generation is catalyzed by acetylate cyclize IP3 is an intercellular third messenger IP3 can be produced following binding of a hormone to a receptor. Insulin works to stimulate glucose uptake by: Decreasing translocation of a Glut4 to the plasma membrane Inhibition of pathways involved in glucose breakdown Inhibition of glycogen biosynthesis Activation of fatty acid biosynthesis Glucagon inhibits glycolysis in the liver because: it increases the activity of Fructose - bus phosphatase 2 it causes a decrease in Fructose-2, 6-bisphosphate concentration it decreases the activity of Phosphofructokinase-2 all of the above Acetylate cyclize generates cADP from ATP. True False

Explanation / Answer

1. phenylalanine, tyrosine

In chemical terms, epinephrine is one of a group of monoamines called the catecholamines. It is produced in some neurons of the central nervous system, and in the chromaffin cells of theadrenal medulla from the amino acids phenylalanine and tyrosine

2.a

3. b

4.d

5. a

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