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(A) Diagram the basic structure and function of the accessory protein complexes that nucleate microtubules assembly. (2 pts.) (B) Diagram the basic structure and function of the accessory protein complexes that nucleate actin filaments assembly.  (2 pts.) (C) Diagram the basic unit binding, side binding and end binding proteins that regulate actin filament elongation and dynamics and function.  (4 pts.) (D) Diagram the basic unit binding, side binding and end binding proteins that regulate microtubule filament elongation and dynamics and function.  (4 pts.) (E) Diagram how actin filaments associate with the plasma membrane.  (3 pts.)  

affect both microtubule and actin filament organization and function.

results in the same response in all cells for a specific extracellular signalling molecule.

do not seem to be important in immunity.

function as a GEF for trimeric G protein complexes.

do not affect cell cycle progression.

Questions 6-9 Which of the following is required directly in ATP synthesis by ATP synthase in oxidative phosphorylation?

never signal through effects on membrane lipids.

that bind filaments and regulate their dynamics through basic unit association and dissociation are primarily end-binding proteins.

ADP and Pi