BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Cholesterol is actually part lipid, part protein. This is why the different kinds of cholesterol are called lipoproteins.

Detailed explanation-2: -Solution : Among the given options, vitamin-B is not a derivative of cholesterol. It (cholesterol) is a type of lipid molecule. It is an essential structural component of all animal cell membranes. It also serves as a precursor for the biosynthesis of steroid hormones, bile salts and vitamin-D.

Detailed explanation-3: -Cholesterol travels through the blood on proteins called “lipoproteins.” Two types of lipoproteins carry cholesterol throughout the body: LDL (low-density lipoprotein) cholesterol, sometimes called “bad” cholesterol, makes up most of your body’s cholesterol.

Detailed explanation-4: -There are two main types of cholesterol: low-density lipoprotein (LDL), or “bad” cholesterol, and high-density lipoprotein (HDL), or “good” cholesterol. Too much LDL cholesterol in your blood increases your risk for coronary artery disease and other heart diseases.