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State the roles of the two phases of the pentose phosphatepathway in a cell and explain how the pathway is regulated. ...

Question

State the roles of the two phases of the pentose phosphatepathway in a cell and explain how the pathway is regulated. (10 marks)

State the roles of the two phases of the pentose phosphate pathway in a cell and explain how the pathway is regulated. (10 marks)



Answers

The reductive pentose phosphate pathway generates several intermediates identical to those of the oxidative pentose phosphate pathway (Chapter 14 ). What role does each pathway play in cells where it is active?

Okay, so we're talking about how cholesterol three bossy boss fitted eight and dia. So glycerol. Um, I have have some kind of reaction or role, or what are they doing in creating, um, try as a glycerol and fossil a bit, um, fossil Lippens. Basically. So we'll start first with glitz, a role three phosphate, and I'll describe kind of its role. So glycerol three phosphate does a couple of things. So in, um, in Trygg, let's roll synthesis, which is one of the things that we're talking about. So actually do that in green. So in try clitoral synthesis, so do the most well, right. Try a so glycerol. You know why I always spell it wrong? Try a soul Glessner own in this synthesis. Um glass earl glass role three phosphate is like the starting block. It's where the ITT's like the foundation for where Trussell glycerol comes from. So eventually somehow, through lots of processes, will go from here to here. Okay, the same actually could be said for fossil lipid synthesis, right? So for our fossil lipids, eventually through some kind of process, we will also go from glycerol three phosphate to some to a fossil lipid. So in both of these processes, glycerol three phosphate is extremely important and is like the starting block for both of these. Um, with that's that's the 1st 1 that we talked about. Okay, for the next one. So I still Glessner own. Okay, So what does this dio? So in order to send the size, try a silk lis room You need to start from diacetyl Glycerol, right? So from diet to try and how that happens is that there is a bus for old group removed. So we start from glycerol three phosphate. We take away a phosphor aled group and we get dia so close our own and how we go from dia so glycerol to try a so cholesterol is by removing. I'm sorry. Not removing were Aysal eating it. All right. We want instead of dia soul, We won't try soul. So we need to isolate. So try as a literal is the, um why is it doing this? Try So cholesterol is the ace elated form of diocese literal. Another isolation there. Okay, so tell dia selfless role plays a role with that. So when um when we think about Dyson glycerol and how it's important for fossil lipids rights. That's another part of this that we're talking about with fossil lipid synthesis diocese glycerol can react with. This is gonna get messy here, but it's gonna can react with CDP Alcohol, Okay. Can react to see a GP alcohol, and it will form fossil lipids to Yeah, that s a clitoral relaxed reacting with CDP alcohol will form foster lipids. Okay. And then with bass fitted eight Okay, so that's that Next one. See if I can Yeah, Yeah. Okay. Fuss. Ah, Teoh. Very, uh, Teoh date. Okay, This has a lot to do with fossil lipid synthesis here, UK. So I'm just gonna go ahead and write fossil lipids now, fossil to date can react with it's called C T P. And together they can create these two things can create CDP die glycerol groups C d piece di di a silver visceral which we talked about above so ferocity and CTP creating cdp dia dia. So glycerol is a precursor for fossil. It is because the, um cdp Dyson glycerol can then react with alcohol. Oh, to form fossil lipids. So just like in this second part here, die sel glycerol. Real acting with CDP alcohol can create fossil lipids. And then then, in the third part here, you see that faucet id eight Reacting with CTP create See DP Diocese glycerol, which can then react with alcohol to create fossil. If it's a swell, so you have that CDP group on one. It's attacked to the Dyson glycerol and then the other is attached to the alcohol. But either way, once they react, they can create a fossil lipid. So, um, those air how those three different chemicals are? I guess enzymes are important and try cholesterol synthesis and boss Philip it synthesis.

Explanation for the question. The build up off right, boss, Why Force fit will be the result in the forceful reaction in the really worse course by Moss. Most action, this can also Okay. Are they make a bullet processes that in war? Okay, No, that involves. They said more Jews as a substrate, our product.

Hello there, students. Today we're going to be discussing about trans all delays and trance capitalists. And if I mispronounced them, I am terribly sorry. Um, for the on the chapter on the Calvin cycle and the pimentos, Um, hafley I mean, false faith pathways. My apologies. Um, And for this question, they want to describe how the handles phosphate pathways and like black size, um, how they are linked. Two trans the trans all delays and trans calculates. And for this halfway, um, you can see, um, the trans skeletal A's and trans all delays how they are, um, in the middle, like their catalyzing, uh, the tpp and the proponent for per attendant scuff face. And the reason for it And the reason for that That these are that, um these are like the intermediate for a carbon ion and how they are they to say, to stabilize, um, to stabilize these components because they are stabilized by a resonance, which you can see why, um, for the set of why they always end in, like a negative. Um, carbon. Well, that's the whole point. Did they try to stabilize it? And they're bringing up that the proton nation allows the formation of a new carbon carbon bond. So that's really the whole thing behind it, that it just creates a new carbon carbon bond. So then, um, the Kush how does this relate back to the question on describing how, um, the pantos pathway, false way pathways in like like a science? How, um, the trans skeletal, its entrance, all delays. How do they play a role on, um, these two, um, pathways? Um, the reason for that, um, is that the enzymes catalyze the transformation of the five carbon sugar, um, formed by the oxidative, um, phase of the pinto's phosphate pathways into, um, fruit till six phosphate and the intermediate and the like, a size and glue con Neil Genesis. So that's the whole reason on describing the pathways. Is that again? Um, like we said that, um, there, too, um, stabilized by resonance. And how, um, the carbonation just the carbon, um, pro Thanh the Protonix shins, the proton nation. My bed. Sorry, um, allows the formation of a new carbon carbon bond. So that's basically why the information is there. And, um, I hope that this answers your question and again, I'm sorry for, um, the ramp. I'm sorry for, um, the constant mispronouncing nation pronunciation and mispronouncing the words and also creating a hold word mushed salad. I'm trying to explain this topic. Okay. I hope you found this helpful. Okay, um

In stage treat cattle. Pollock's smaller molecules are converted and to see you to reach toe energy to be used synthesis of 80 p to provide more energy.


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