(11) Which of the following causes denaturation of a protein when disulfide bonds are present?(A) heat(B) pH changes(C) reducing agent(D) detergent(E) all of the above

3) When glucagon binds to its receptor on a liver cell, which of the following sequence of eventsoccurs 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

(11) Which of the following causes denaturation of a protein when disulfide bonds are present?
(A) heat
(B) pH changes
(C) reducing agent
(D) detergent

(E) all of the above

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