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Scaffold proteins have important functions in cell signaling.

Which ONE of the following is NOT a function of scaffold proteins?

A

Tethering of receptors and downstream signaling partners.

B

Localizing signaling components to specific areas of the cell.

C

Reducing the fluidity of membrane around receptors.

D

Coordinating positive and negative feedback signals.

E

Insulating correct signaling proteins from competing proteins.

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