6 Answered Questions for the topic cell signaling


Significance of lipids in biological membranes...?

Membranes are specifically designed by lipids to maintain internal hydrophilic environment in narrow range.There are hydrophobic amino acids among naturally occurring 20 amino acids and as well as... more
Cell Signaling Biochemistry Cell Biology


How can a ligand be an integral membrane protein?

My background is in mathematics, and not biology, so please bear with me. I am currently working on a project involving the effects of Epidermal growth factor treatment (EGF) on cell migration. I... more
Cell Signaling Biology Cell Biology Proteins


How do cells relocate transmembrane proteins from one side of the cell to the other? Is it possible?

Is there a process by which cells can relocate proteins residing on the cell membrane in areas of low demand to that of a high demand location somewhere else in on the cell? What's that process... more


Explanation of the terms "downstream signaling" and "upstream signaling"?

In molecular biology, what's the meaning of the terms "downstream signaling" and "upstream signaling"? What's the difference between them?


Why does a "cascade" of events happen during signal transduction?

I've been watching some videos on signal transduction and it says that because there are enzymes being activated by the signal, then there is a "cascade" which happens afterwards...I don't... more
Cell Signaling Biology Biochemistry Homework


Amino acid profile of GPCRs?

> You are studying cellular signalling through a newly identified GPCR. Specifically you’re working on a pair of newly identified GPCRs, GPCR-A and GPCR-B. Each binds the same small ligand, but... more

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