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B) What is Carbonyl functional group?Compare and contrast active transport t0 passive transport of diffusion of molecules across the cell membrane. You may use diag...

Question

B) What is Carbonyl functional group?Compare and contrast active transport t0 passive transport of diffusion of molecules across the cell membrane. You may use diagram . andor analogy to help? Y / /

b) What is Carbonyl functional group? Compare and contrast active transport t0 passive transport of diffusion of molecules across the cell membrane. You may use diagram . andor analogy to help? Y / /



Answers

The movement of molecules across a membrane from an area of high concentration to one of low concentration is best described is: a) active transport. b) inactivated transport c) passive transport. d) channel-mediated diffusion. e) electron transport.

Looking at the difference between passive and active transport and, more specifically, facilitated diffusion, which is an example of passive transport and then active transport. Firstly, one can see just based on these diagrams below, especially to the diagram to the right. There is normal diffusion passive transport, in which high to low concentration molecules move from hide alot. There is a facilitated diffusion, meaning that there is an involvement of some sort of protein channels or protein carriers that aid in the high to low concentration molecule movement. And then there's active transport, which uses 80 p, and this also uses a member, a membrane bound protein channel or protein carrier. So when looking at the difference or similarities between facilitated diffusion and then active transport, they actually even though one uses 80 p, while the other dozen they both utilize the usage of a protein channel or a protein carrier that is spans the entire length of the cell membrane itself.

What is the difference between facilitated diffusion and diffusion? Is it a but facilitated diffusion that uses for passive use of a carrier protein? Be that uses the active use of carrier protein see, But it moves molecule from a low to high concentration woody that it involves the use of ATP molecules, right? So diffusion diffusion is passive, first of all, so we want to ignore the ones that require the use of ATP, so it's not gonna be. It's also not going to be because the active use would require ATP, which leaves us with A and C so facilitated diffusion is facilitated by a carrier protein. So it's Diaz is a carry protein aids into fusion, whereas regular diffusion just because without assistance of proteins. But in both cases, it does go from high to low concentration, so she is also incorrect.

We're being asked to identify a passive transport across the memory. Uh, let's break that down and see what that means. Passive means that no energy is required and across a membrane. Obviously, it has to cross a membrane. So here's a membrane, and it needs to go from one side of it to the other side of it. Now the purpose of a membrane. It's too separate the inside and the outside so thinks can't just cross freely as they please. So there needs to be a protein that allows this substance in. And because this protein has to allow with substance in without the use of energy, it needs to be a channel protein channel. Proteins just basically provide a tunnel that are specific to a molecule to go across the membrane. OK, so let's look at our answer choices and see Ah, which one of these does not use energy and is across the memory? So the first, uh, answer choice the movement of H plus into the file equate disc and real blue real briefly. This is what ah, that's talking about. You have any DPH was get gets created in the light reactions of photosynthesis and the energy pH gets split into and a D P plus and a hydrogen. This hydrogen gets split into electrons and protons. Okay, horse, which colors here. Now the electrons go through a siri's off membrane proteins, which harness the energy of the Lexx ron. They lower the energy of the election, and they use that energy of the electorate to pump hydrogen into the thigh look white membrane. Then you have a surplus of hydrogen sze in the silo quite member, and that eventually this hydrogen tze the radiant off this hydrogen is used to drive the 80 pieces the taste, which makes a teepee. But the bottom line here is that to create this proton radiant inside the file, a quick membrane. You are harnessing the energy off the electron, so this process is not passive. Let's look at our next choice. The next choice is the uptake of glucose. Now, the way the glucose enters is through a protein called ists Importer and CIM because it brings things together so it brings in together glucose in together with sodium. There is a concentration Grady in, off sodium outside of the cell that wants that makes sodium want to come inside the cell, and the Sim Porter harnesses that Grady and created by the sodium to bring glucose along with it. Now, how does this great and get created in the first place? Well, the sodium that's inside the cell gets pumped out off the cell, and this process uses a teepee breaks down 80 p into a DP plus of phosphate. So it is this second, uh, protein over here, the pump that creates the great in in the first place. So the process of glucose uptake uses energy because it needs that radiant. The next one is the uptake off mineral ions into root hairs of cells. Now this happens through a Siri's off proteins, one of which is channels so ions minerals can just come directly into the cell. They do it through sim port or anti poor, just like so, with glucose so either bringing two things together simultaneously or while they're bringing something in there taking something out. So there's some sort of Grady in inside the cell that where I instant to get out to bring a certain i n N. Or they can use active transport where they use a teepee. So this is actually an instance where passive transport across a membrane happens because some ions do come in through channel proteins. The last one talks about the movement of water from the nef run into the collecting duct of the kidney and without getting too much into the details here. Ah, the way that happens is that you have the nef run, which is this loop here, vocabulary droning in ah, in red. So water and other minerals go into the nef Ron and they make their way through whatever needs to get filtered out gets filtered out, and they and it eventually comes into the collecting. Now you can see that there's nothing preventing the water or Phil trait moving from the different into the collecting duck. You can just happen passively through diffusion. However, there is no membrane here, so it's not across a membrane, so this is passive transport, but it's not across a membrane. So the only one that met our criteria was the uptake of mineral ions into hair cells of plants

Okay, So here were asked a couple of things about facilitated diffusion on. Before we get into this, let's remember what it means. The word actually facilitated diffusion. We have two components. We have this facilitated, and we have diffusion eso. How this differentiates itself from simple diffusion is through the facilitated portion. Right? So the molecules wouldn't be able Teoh cross the memory without some sort of aid from another actor on. So, looking at the second part here, diffusion, this means that the molecules will flow down a concentration Grady int without any sort of addition of energy. So why don't we take a look at our membrane model here and visualize what this means? All right. So facilitated diffusion requires the use of some sort of external actor and in this case, is gonna be a transport protein. A channel. All right, Let's just make that chat a little bit larger. There we go. Ah, And so what this channels going to allow is the movement of large and charged particles that wouldn't normally be able to cross the memory with just simple diffusion. So what? I draw a few sodium lines so we can see that on the left side. Here we have a whole lot more sodium ions than on the right side, and what that means is that they're gonna flow down their concentration ingredient over to the area of lower concentration. And so that's that's what it means to diffuse right. There's no energy input flows down ingredient, and this facilitated portion is referring to the transfer approaching that he's used to allow this sort of transport to actually happen.


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