8. The hormones, glucagon and epinephrine, stimulate glycogen breakdown to G-6-P___________. (A) using ATP as the phosphoryl donor (B) only in muscle cells (C) only in the liver (D) directly, by binding to glycogen phosphorylase (E) indirectly, by first stimulating adenylate cyclase to make cAMP

6. Planarity of the peptide bond means that rotation is allowed about the bond linking ___________the and the carbon of the peptide bond, and also about the bond linking the___________ to the adjacent α-carbon. (A) a-carbon, carbony1 carbon (B) B-carbon, carbonyl carbon (C) carbonyl carbon, nitrogen of the peptide bond (D) a-carbon, nitrogen of the peptide bond (E) none are true

8. The hormones, glucagon and epinephrine, stimulate glycogen breakdown to G-6-P___________.
(A) using ATP as the phosphoryl donor
(B) only in muscle cells
(C) only in the liver
(D) directly, by binding to glycogen phosphorylase
(E) indirectly, by first stimulating adenylate cyclase to make cAMP

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