25) Which of the following shows the overall equation for the light reactions? (A) 2 H2O + 1 NADP+ 1 H+ + O2 + 1 NADPH, requires 4 photons (B) 2 H2O + 1 NADP+ 1 H+ + O2 + 1 NADPH, requires 8 photons (C) 2 H2O + 2 NADP+ 2 H+ + O2 + 2 NADPH, requires 4 photons (D) 2 H2O + 2 NADP+ 2 H+ + O2 + 2 NADPH, requires 8 photons (E) 2 H2O + 2 NADP+ 2 H+ + O2 + 2 NADPH, requires 16 photons

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

相關試題

相關試卷