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The synthesis of cholesterol involves condensations of five cartxon (Cs) units fromn isopentenyl pyrophosphate. Which statement summarizes the sequence of condensat...

Question

The synthesis of cholesterol involves condensations of five cartxon (Cs) units fromn isopentenyl pyrophosphate. Which statement summarizes the sequence of condensations that produces cholesterol?Six C5 unitsadded seqquentially in chain yicld Cs molecule that then cyelized to form cholesterol.Nine C5 units are reduced Cy units_ und thesethen combined sequentially yicld the Cz7 molecule cholesterol: Three C 5 units condensed lOrm Cis unit; ol which combined t0 yield Czo molecule that is cyclized f

The synthesis of cholesterol involves condensations of five cartxon (Cs) units fromn isopentenyl pyrophosphate. Which statement summarizes the sequence of condensations that produces cholesterol? Six C5 units added seqquentially in chain yicld Cs molecule that then cyelized to form cholesterol. Nine C5 units are reduced Cy units_ und these then combined sequentially yicld the Cz7 molecule cholesterol: Three C 5 units condensed lOrm Cis unit; ol which combined t0 yield Czo molecule that is cyclized form cholesterol: Two C5 units condensed t0 form Cio unit, ac three of thesc arc combined yicld Czo molecule thnt cyclized form cholesterol:



Answers

Cholesterol $\left(\mathrm{C}_{2}, \mathrm{H}_{46} \mathrm{O}\right)$ has the following structure:
In such shorthand structures, each point where lines meet represents a carbon atom, and most H atoms are not shown. Draw the complete structure showing all carbon and hydrogen atoms. (There will be four bonds to each carbon atom.) What are the predicted bond angles exhibited in cholesterol? Is cholesterol a planar molecule as indicated in the structure above?

So in this question, cholesterol having formula so that I can write cholesterol having formula c 27 h 46 up. So this is a formula of cholesterol and has following structure that is given. And in this structure we see that each point we alignment represents a carbon atom and most hydrogen atom are not shown. So we draw the complete structure off cholesterol, including complete structure off carbon and hydrogen. So we can wrote the structure. So this is carbon. So this is carbon, sis carbon. This is carbon carbon. So basically we just makes us six member drink like this and then here carbon, this is carbon. Then here, this is carbon. This is carbon like this. So basically, these are the 26 members rings and here we can see O h is attached. And with this there is C H three metal group and now we can further bra structures like this is carbon. And then thesis is carbon. This is carbon and this is carbon and this is carbon. So basically, this is also a six member structure. So 123456 So basically six. Now we can see that this carbon is attached with this carbon. Then this carbon on this and then this. So it is basically 123455 member drinks structured. So if I remember drink. So now this this carbon is attached with another metal group, and this is are linked with carbon. And then this is carbon. This is carbon, this is carbon. And then this is carbon. So here you can see this is material group and this is again C H three that metal group. So this is the structure. So here we can also make C H three. So this is the, uh, structure off college store. Now we can make care one double bond, and now we can, uh, brought the hydrogen atoms. So? So we know that the there will be four bonds to each carbon ETA, so we know that can write. Also, there will be there will be for bonds toe each carbon atoms so we can see that. Yeah, carbon makes two bones, so we can used to hydrogen atom. And here we can also use to hydrogen atom. He had three bones, so we can use one hydrogen atom. And here to hydrogen atom. And for this carbon, we know it makes a 41 So no NATO, uh, at hydrogen. So this is 123 And here we can use one hydrogen atom, and in this case, we can use to hydrogen atom. And for in this case, you can use one hydrogen. And now, in this case, we can see 123 bonds. So it makes one another hydrogen atom. And in this case, we can use to hydrogen atom, in this case again can use to hydrogen atom because it makes a to born. And in this case, uh, no need toe, right, hydrogen. So in this case, we use, uh, one hydrogen atom because it makes a three bonds, and in this case, we can see this five member drink. So this is two hydrogen atoms. This is again two hydrogen atoms, and this is 123 So it makes one more hydrogen atom, and this is no need to a hydrogen in this case. Now, coming toe this. So here we can see one toe, three bones, so make one another hydrogen atom and in this case, makes toe hydrogen atom. So again, This is two hydrogen atoms. Similarly, this is for two hydrogen atom and this weekend use one hydrogenated for this carbon. And then this is CS three and CST. So this is the we can see. This is the structure off cholesterol that is C 27 h 46 or so. This is the cholesterol. So this is a structure of Palestine, so we can count the a number of carbon atom in this structure. So in this first six members and we can see 123456 then 789 10 11 then 12 13 14 15 16 17 18 1920 21 22 23 24 25 26 27. So that when total carbon is 27 Now there is one oxygen atom. So this is you can see only one oxygen atom eso This is one oxygen atom like this and now we can count the hydrogen atom so we can see this is two hydrogen toe for six it and then 3, 11 12 13 14 14 and 2 16. Then 18 2021 than 24 26 28 29 then this is 30 33 25 37. Then this is 40 43 45 46. So 46 hydrogen and one oxygen. So this is the basically ah, structure off. Complete structure off carbon and hydrogen off college stall. So this is a complete structure.

Hi everyone. So in this question they ask, cholesterol is the principal sterile. Our animals in animals. It is found in free and stupid form in all parts of the valley. It has molecular formula C. 27 minutes 46 oh. It is capable of showing a particular symbolism and the structure is as follows. What is the maximum number of stereo is um what that cholesterol can help? So, so in this case, option D is correct. Option B is correct. Mhm. That is, it does. It has 156. Studio is summers stereo. I saw much six. It consists concepts of eight Carbon Atoms, eight Kyrill carbon items, carbon atoms. Right? That for a number of spirit is so much by summer is equal to To rest create. That is a call to 256. Thanks

So we're given information that the normal uh Mass concentration of the compound is 40-59 milligrams per desi leader. Okay, so here we are asked to convert it into standard concentration units of moles per liter. So let's do this for a certain value. Allowed to do this first for 40 mg. But 59 will be the same process. Uh huh. So we know that in there's 1000 mg in one g, and we know that there are 10 Desi leaders in one leader. And then we have to convert everything to moles. And were given information that our compound and C 27 age 46. Oh, so we can find the molar mass of this compound Which is 386 g for multi. Yeah. And from this information we can determine the concentration. Okay. Mhm. Mhm. And as a result, we find the concentration is about 1.0 times 10. And they give six molars and we're going to repeat this process for 59. Okay. Which we find is About 1.5 times 10 to the -6 molars. So this gives the range of our concentrations and this is our final answer.

How do you answer in this question they asked, cholesterol is a principal sterile on animal? It is found in free and the street by reforms in all parts of the body. It has molecular formula C 27 H 46 oh. It is capable of showing our particular symbolism and its structures are as follows, how many of these studios symbols are found in the nature? So option B is correct. Oh, shut right. Uh huh. The it's correct. Only one stereo. A summer of cholesterol is found in nature. Only one stereo. I saw more off College Strong, Yeah, yeah. Mhm. College sterile found in nature. Okay. Oh, mm hmm. Yeah, cholesterol has the structure. Mhm polish. Tehran heads in the structure, Yeah, yeah. Mhm. Mhm. Mhm. Mhm W one ch three Oh then Oh yeah. Mhm. Yeah. Mhm. We're coming in search three. Mhm. Mhm. Yeah. Yeah. Yeah. Mhm. And Oh, mm. Uh huh. Thanks a lot.


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