Answer

Which of the complying with is incorrect regarding facilitated diffusion?a. It is a passive procedure.b. It permits the motion of molecules from locations of low concentration to locations of high concentration.c. It might use either channel or carrier proteins.d. It allows the rapid carry of glucose throughout the membrane




You are watching: Which of the following statements about carrier proteins is false?

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Video Transcript

So the question is, which of the complying with is incorrect about assisted in diffusion? The key point to remember in this question is the portion about being incorrect. So Choice A is It's a passive process alternative rate. It permits the movement of molecules from an area of low concentration to locations of high concentration. See, it may either use channel or carrier proteins and also D. It allows a fast transfer of glucose throughout the membrane prior to we acquire into the actual selections. Let's carry out a brief oversee of the various kinds of move. So there's energetic deliver, which is the motion of molecules from a space of low concentration to an area of high concentration. And that would certainly be with the usage of power or a teepee, which I'm certain you've heard of. And it stands for a dancing triphosphate. The point to remember with energetic transfer is it's always using a teepee because it's going from a room of low concentration to a space of high concentration, in other words, is trying to relocate versus the grain, so to speak. Passive deliver is the motion of molecules from an area of high concentration, 10 area of low concentration and also it's positive because it's using no energy or a teepee that rules out alternative. A. Because helped with diffusion is a form of passive move. So what really differentiates assisted in diffusion from simply being called passive transport? Let's take a look at this bit diagram. These bit babsence dots reexisting non charge non polar molecules, so that can be choose a water soluble molecules, these air trying to go from an area of high concentration to an area of low concentration. But because their water soluble, they're not going to have the ability to pass via this lipid bi layer so quickly because off the hydra filic and also hydrophobic lipid tales, that being shelp, they're going to use somepoint called a transport protein, which deserve to be a channel protein or a carrier protein. That's what these little to gold ovals recurrent, so these babsence water soluble molecules will certainly go into the channel protein. The channel protein will certainly close at the top. Change shape and also open at the bottom toe. Allow the water soluble molecule to go from a high concentration to a low concentration. So let's go through the choices really quickly. So we ruled out option. I currently we've rolled out choice, check out, bereason it's using a channel or carrier protein. And then that leaves Choice, D and also B. We did comment on that promoted diffusion is going from a space of high concentration to an area of low concentration that will certainly expect B is the answer. But let's go through.

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D glucose is, ah, molecule that is exceptionally huge, but it is known to go from a space of high concentration to low concentration making use of protein transport proteins. That being sassist, we deserve to ascendancy out Choice D as being incorrect and also again the answer is be.