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General properties of signal transduction pathways include...

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General properties of signal transduction pathways include

General properties of signal transduction pathways include



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What is a signal-transduction pathway? Why are mutations in components of signal-transduction pathways often associated with cancer?

When cells send messages to one another. What kind of signal would this be? Cell to cell signaling can be several different types. Our first type is reception. Our second is transaction and our third his response. All three are methods of communication from cell to cell.

They are two different kind of trance deduction trains induction. What is generally life General rights. And the other one is specialized. Andi, generalized Transaction. The bacteria of houses pick up any portion off the coast to send him. So there's this pick up and me portion. Oh, hosed. And, you know, with this in specialized transcription directive houses bigger, only specific portion off posters, you know, specific, specific portion of forces, you know.

Hello, everyone and welcome. So we're trying to essentially distinguish a cata bolic pathway from an anabolic pathway. So we've got Cata Bolic. You're okay. So essentially cata bolic pathways are usually x organic. Um, and the result in either a t p or an a D h production. Um, and it essentially, uh you can think of cattle bolic pathways as those that turn complex molecules into simpler ones. So it essentially breaks those molecules down into simpler ones. Um, whereas anabolic pathways usually required 80 p or any D. H. Ph. Actually, um, and there are a process of production, and they construct they turned simple molecules into more complex ones. So if we take a look at some, uh, of course cata bolic ones break bonds and these ones construct bonds. And finally, if you take a look at some examples of them, um, an example of an anabolic pathway would be photosynthesis because it is converting, um, a lot of it. It requires a D. P. And it uses this 80 p, um, to turn simpler molecules into complex ones like glucose, where as a form of cannibalism, cata bolic metallic pathway would be cellular respiration. and this is because it essentially it's an extra chronic reaction, and it produces 80 p or N a. T h. Um, and if it's a plant that can later be used for photosynthesis, where that is used to construct more complex molecules like glucose. So thank you for watching, and I hope this helped.

Now if cell signaling is occurring because of a protein and not a hormone, remember hormones are just lipid or fat that could easily move across our non polar cell membrane. But proteins there are a lot bigger and they won't be able to take the shortcut so they'll have to buy extra combined externally to our receptor. Okay. And when the cell senses that we have a message from this protein and this receptor has been activated with the help of some energy ATP some processes used the G couple receptor and activate the G protein receptor. And this complex then calls cyclic AMP and activates it relaying the phosphate to cyclic mp, Turning its GTP complex back to GDP, its default, losing the phosphate from triphosphate to die phosphate and then cyclic GMP activates our first kindness, also relaying the phosphate. The soccer is gradually activating. More kindness is in the process and finally activating our final protein that then binds to other places. It could buy into the nucleus maybe for apoptosis or more cell growth, or it could help transfer for transcription for certain proteins like Crypto FAN or other molecules. So it happens gradually as even though it might not be the most energy efficient process, but it might be the most safe. And this is how the cells have evolved, a very essential process to activate different processes, and that is it for seller trance traction, and thanks for watching.


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