Questions tagged [intracellular-transport]

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Could water soluble dyes be directly absorbed by a plant's / tree's xylem?

Amateur woodworker / hobbyist here, I enjoy using colorful or exotic wood species, the issue is that many of these species are rare, expensive, endangered, hard to grow, or otherwise difficult to ...
Jacklow's user avatar
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Do SARS-CoV-2 virus particles really travel through filopodia and "emerge from the tips"?

Watching the new University of California San Francisco video Coronavirus forces cells to produce tentacle-like structures that infect neighboring cells I saw The growths spread out, and ...
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Does it make sense to calculate the phospho protein (serine) : phospho protein (threonine) of the same protein in western blot?

I want to indirectly measure the nuclear accumulation of DARPP protein through phosphorylation. Their nuclear transport is controlled by phosphorylation of Threonine 34 and Serine 97 residues. S97 is ...
oklu's user avatar
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When transmembrane proteins destined for the plasma membrane are in the ER membrane are they in their final folded form?

I am studying how transmembrane proteins are made and I have read that proteins that are destined for the plasma membrane are initially in the ER membrane and do not get translocated into the ER lumen ...
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How are newly synthesised proteins targeted to the plasma membrane?

There does not seem to be a definitive answer to how proteins destined to be intrinsic plasma membrane proteins are directed there. Presumably, assuming starting at a cytosolic ribosome, the pathway ...
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Can an importin without any cargo pass through the NPC?

Can an importin (nuclear import receptor) without any cargo pass through the Nuclear Pore Complex (NPC)? If it can, wouldn't it be a waste of energy to have the 'unloaded' importin enter the nucleus ...
darkpatronus's user avatar
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Retrograde/anterorade transport; kinesin/dynein; COP1/COP2; Endoplasmic reticulum/Golgi

I am getting slightly confused with all of the terms above and was wondering if someone could see if I have got this right: I think transport from the ER to Golgi is almost always from the plus end ...
Meep's user avatar
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What are internal and external osmotic pressures when referring to a cell?

I've seen the term used but cannot find a clear answer: What are internal and external osmotic pressures when referring to a cell?
user28723's user avatar