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Cellular and Molecular Biology

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Moderate

Signaling Pathway Interactions: Crosstalk

CELLS-FAJKPH

Cyclic AMP (cAMP) can inhibit growth in a number of cell types by activating PKA, which can inhibit the Ras-dependent activation of the MAP kinase pathway. Activated PKA can, however, activate the CREB transcription factor in the same way that the MAP kinase pathway can.

What BEST describes this signaling pathway?

A

Convergence.

B

Divergence.

C

Crosstalk.