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What is the role of Rab GTPase in the process? O Rab GTPase locks the t-SNARE and v-SNARE together, facilitating fusion of the vesicle. O Rab GTPase helps to disconnect t-SNARE and v-SNARE after fusion has occurred. O Rab GTPase facilitates the initial binding of t-SNARE to v-SNARE. Rab GTPase causes the fusion of the vesicle to the target membrane. Submit My Answers Give Up Part C Botulinum toxin blocks neuromuscular transmission, causing paralysis.

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Answer:

Rab GTPase causes the fusion of vesicle to the target membrane .

Explanation:

Rab is is G protein that require GTP for its functioning.Rab is active when it is bound to GTP but is inactive when it is bound to GDP.

     A GDP/GTP exchange factor stimulates the inter conversion of inactive Rab to active Rab by binding the later with GTP molecule.

    A GTPase activating protein hydrolyzes the GTP bound to Rab into GDP leading to inactive the Rab protein.

    Rab protein play an important role in vesicle fusion resulting in the transport of protein to its specific site.

     

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