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Naily [24]
3 years ago
8

PLEASE ANSWER/ NO JOKE PLEASE DONT USE THIS FOR POINTS

Biology
1 answer:
Elena L [17]3 years ago
8 0
The answer is B (: . A meander is a river or road with a lot of curves
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Two protein kinases, K1 and K2, function sequentially in an intracellular signaling pathway. If either kinase contains a mutatio
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The order must be K2→K1, since the permanently active K1 allele (K1a) is able to propagate the signal onward even when its upstream activator K2 is inactive (K2i). The reverse order would have resulted in a failure to signal (K1a→K2i), since the permanently active K1a kinase would be attempting to activate a dead K2i kinase.

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