Question

A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.

* State the chemical composition of the sterol that is present in high levels in most people who belong to the high-risk group.


* Distinguish between the ‘good' and ‘bad' forms of this sterol.


* Explain the function of the good form of this sterol in the body.


* List the food groups that are the sources of the bad form.

Answer 1

.Cholesterol C27H46O
2. During transport, cholesterol exist often exist as lipoprotein form. which mean a large molecule contain both cholesterol and protein. The good form high density lipoprotein (HDL)contain more protein less lipid and bad form contain more lipid than protein.
3.it's used to synthiesis steriod hormones. HDL and their protein and lipid constituents also help to inhibit HDL and their protein and lipid constituents help to inhibit oxidation, inflammation, activation of the endothelium, coagulation, and platelet aggregation.
4.animal product. cheese, egg youls,beef, pork, poultry, fish, shrimp