Question

Ras mediated cell cycle regulation- explain​

Answer 1

Explanation:

Ras can participate in cell cycle regulation sending activating (green lines) or inhibitory (red lines) signals through several downstream pathways, depending on the cell context. Activation of the G1->S progression is mediated by induction of cyclin expression and by triggering degradation of the p27 Kip1 inhibitor.

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Answer 2

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rαs cαn pαrtícípαtє ín cєll cчclє rєgulαtíσnsєndíng αctívαtíng (grєєn línєs) σr ínhíвítσrч (rєd línєs) sígnαls thrσugh sєvєrαl dσwnstrєαm pαthwαчs, dєpєndíng σn thє cєllcσntєхt. αctívαtíσn σf thє g1->s prσgrєssíσn ísmєdíαtєd вч ínductíσn σf cчclín єхprєssíσn αnd вч tríggєríng dєgrαdαtíσn σf thє p27 kíp1 ínhíвítσr.