Please help. Im a freshman @ LCHS. Can u please give specific examples of chemicals that belong to lipids? ?

Question

thanks its for biology:) luv u all 4 helping!!

Answer 1

fats (lard), corn oil, peanut oil, phospholipids, steroids, cholesterol, s*x hormones (testosterone, progesterone), waxes (cutin and suberin)

Answer 2

All Lipids are hydrophobic: that’s the one property they have in common.

This group of molecules includes

fats and oils,

waxes,

phospholipids,

steroids (like cholesterol),

and some other related compounds .

Fats and oils are made from two kinds of molecules: glycerol (a type of alcohol with a hydroxyl group on each of its three carbons) and three fatty acids joined by dehydration synthesis. Since there are three fatty acids attached, these are known as triglycerides.

Fatty acids are of 2 types

saturated &

unsaturated

Unsaturated fatty acids are again divided into

Mono unsaturated fatty acids &

Poly unsaturated fatty acids

An unsaturated fat is a fat or fatty acid in which there are one or more double bonds in the fatty acid chain. A fat molecule is monounsaturated if it contains one double bond, and polyunsaturated if it contains more than one double bond. Where double bonds are formed, hydrogen atoms are eliminated. Thus, a saturated fat is "saturated" with hydrogen atoms

Trans fat is the common name for a type of unsaturated fat with trans-isomer fatty acid(s). Trans fats may be monounsaturated or polyunsaturated.

Interesterified fats - are oils that have been chemically modified (e.g., turning soybean oil into interesterified soybean oil). This is done in order to make them more solid, less liable to go rancid and more stable for applications such as deep frying. The interesterification process is used as an alternative to partial hydrogenation, which results in trans fats.