Cells coordinate their lamellipodia by the following mechanism. By muscle contractions The intracellular signaling of in

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Cells coordinate their lamellipodia by the following
mechanism.
By muscle contractions
The intracellular signaling of intermediate filaments
and microtubules.
The coordination of the actin cortex and actin
polymerization.
By all of the given answers.
Sort the following events in the order that happens
during the formation of vesicles from the ER destined for the Golgi
apparatus.
Sar1-GDP converts to Sar1-GTP
Sar1-GTP hydrolysis
Sar1 binds to Sec 23
Sar1 membrane association
I > II > III > IV
II > IV > III > I
I > IV > III > II
II > IV > III > I
IV > I > III > II
The small GTPases Ras is often found mutated in
cancers.
A.This mutation is a deletion that causes a loss of
function.
B.This mutation is usually a deletion mutation which
causes the protein to stay bound to GDP.
C.This mutation is usually a missense mutation which
causes the protein to stay bound to GTP.
D.This mutation is usually a translocation that results
in an activated kinase
Please answer all questions no need for explanation ASAP.