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Cholesterol is harmful as it causes blood pressure and heart attack, even then it is considered essential for human body. Why ?


Cholesterol are considered essential for our body as

1. Cholesterol is  the precursor of many hormones such as progesterone, testosterone, estradiol and Cortisol.
2. Cholesterol provides fluidity to the cell membrane  and hence helps in the maintenace of its structure.
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What are phospholipids ? What is their importance in living cells ?

Give three examples of phospholipids.

What are glycolipids ?

What do you mean by ‘vegetable oil rich in polyunsaturates’ ? Why is it recommended by physicians for persons suffering from high blood cholesterol or cardio vascular diseases ?

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