9.Lactose, the disaccharide of galactose and glucose, is synthesized from which of the following activated monosaccharides? (A) uridine triphosphate glucose (B) uridine triphosphate galactose (C) uridine diphosphate glucose (D) uridine diphosphate galactose (E) none of the above

3. When glucagon binds to its receptor on a liver cell, which of the following sequence of events occurs to activate protein kinase A? (A) activation of adenylate cyclase, activation of G protein, production of cAMP (B) activation of G protein, activation of adenylate cyclase, production of cAMP (C) activation of G protein, production of cAMP, activation of adenylate cyclase (D) production of cAMP, activation of adenylate cyclase, activation of G protein (E) none of the above

9.Lactose, the disaccharide of galactose and glucose, is synthesized from which of the following activated monosaccharides?
(A) uridine triphosphate glucose
(B) uridine triphosphate galactose
(C) uridine diphosphate glucose
(D) uridine diphosphate galactose
(E) none of the above

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