Which of the following represent the CORRECT order of molecular steps involved in the movement of a growth cone towards a chemoattractive cue?单项选择题

A

a) Polymerization of actin and tubulin towards cue --> Regulation of actin-binding and tubulin-binding protein function --> Binding of cue to its receptor --> Changes in intracellular Ca2+

B

b) Changes in intracellular Ca2+ --> Polymerization of actin and tubulin towards cue --> Regulation of actin-binding and tubulin-binding protein function --> Binding of cue to its receptor

C

c) Polymerization of actin and tubulin towards cue --> Changes in intracellular Ca2+ --> Regulation of actin-binding and tubulin-binding protein function --> Binding of cue to its receptor

D

d) Regulation of actin-binding and tubulin-binding protein function --> Binding of cue to its receptor --> Changes in intracellular Ca2+ --> Polymerization of actin and tubulin towards cue

E

e) Binding of cue to its receptor --> Changes in intracellular Ca2+ --> regulation of actin-binding and tubulin-binding protein function --> Polymerization of actin and tubulin towards cue

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