
Concept explainers
Interpretation:
The location of pure cholesterol crystals in the body should be identified.
Concept introduction:
A fat or waxy substance present in all parts of the body is known as cholesterol. It helps in the formation of hormones, cell membranes and vitamin D in the body. There are two sources of cholesterol in the blood (1) food and (2) liver. All the cholesterol in the body is made in liver. Lipoproteins help in the movement of cholesterol and the other fats in the blood. They are like particles spherical in the shape. There are two lipoproteins that are commonly known (1) low density lipoproteins and (2) high density lipoproteins. The low density lipoproteins are also known as bad cholesterol because they contain most of the cholesterol. This contributes in the formation of plaque inside the arteries that can cause heart attack or stroke. To keep the level of LDL low one should avoid food containing saturated fats and extra calories. Exercise can helps in maintaining the LDL level and healthy weight of the body. On the other hand, high density lipoproteins are good cholesterol as they remove the cholesterol from the body. This should be high in the body, this can be done by regular exercise and avoiding saturated fats. A cholesterol level can be checked inside the body. This helps in lowering the risk of heart disease.

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Chapter 21 Solutions
Introduction to General, Organic and Biochemistry
- Show your work and do something that is reasonable. It does not have to be 100% correct. Just show something that looks good or pretty good as acceptable answers. Something that looks reasonable or correct would be sufficient. If you can get many of them correct that would be great!arrow_forwardShow your work and do something that is reasonable. It does not have to be 100% correct. Just show something that looks good or pretty good as acceptable answers. Something that looks reasonable or correct would be sufficient. If you can get many of them correct that would be great!arrow_forwardTake a look at the following molecule, and then answer the questions in the table below it. (You can click the other tab to see the molecule without the colored regions.) with colored region plain 0= CH2-0-C-(CH2)16-CH3 =0 CH-O-C (CH2)7-CH=CH-(CH2)5-CH3 D CH3 | + OMPLO CH3-N-CH2-CH2-0-P-O-CH2 B CH3 A Try again * 000 Ar 8 0 ?arrow_forward
- Show your work and do something that is reasonable. It does not have to be 100% correct. Just show something that looks good or pretty good as acceptable answers.arrow_forwardShow your work and do something that is reasonable. It does not have to be 100% correct. Just show something that looks good or pretty good as acceptable answers.arrow_forward= 1 = 2 3 4 5 6 ✓ 7 8 ✓ 9 =10 Devise a synthesis to prepare the product from the given starting material. Complete the following reaction scheme. Part 1 of 3 -Br Draw the structure for compound A. Check Step 1 Step 2 A Click and drag to start drawing a structure. × ↓m + OH Save For Later S 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privaarrow_forward
- Predict the products of this organic reduction: 田 Check AP + + H2 Lindlar catalyst Click an drawing 2025 McGraw Hill LLC. All Rigarrow_forward70 Suppose the molecule below is in acidic aqueous solution. Is keto-enol tautomerization possible? • If a keto-enol tautomerization is possible, draw the mechanism for it. Be sure any extra reagents you add to the left-hand sid available in this solution. • If a keto-enol tautomerization is not possible, check the box under the drawing area. : ☐ Add/Remove step Click and drag to st drawing a structure Check Save For Late. 2025 McGraw Hill LLC. All Rights Reserved. Terms of Usearrow_forwardThe problem will not be graded for correctness, but you have to get a reasonable answer something that is either correct or very closer to the correct answer. The instructor professor wants us to do something that shows the answer but everything does not have to be correct. Ideally, yes, it has to be correct. Give it your best shot.arrow_forward
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