True or false (circle or underline the correct answer): Lipids are amphipathic m

Question

True or false (circle or underline the correct answer): Lipids are amphipathic molecules. (T) (F) b. Certain plant fatty acids are required (essential) in diets of animals Glycerol esterified with three fatty acids is called a sphingolipid. Waxes are esters of long-chain alcohol and long-chain fatty acid The short hand notation for a fatty acid that is 20 carbons long with one double bond at carbon 5 can be written as 20:1 (delta^5). Stearic acid is an unsaturated fatty acid. Fill in the blanks:________are biomolecules composed of a long hydrocarbon chain (tail) and a carboxyl group (head). When all of the carbon-carbon bonds are single bonds the compound is said to be Compounds of this type that has one carbon-carbon double bond are whereas those with multiple carbon-carbon double bonds are These biomolecules are components of triacylglycerides in which they are joined to a backbone using a(n) linkage.3. a. Name the structural family of lipids to which the above co

Explanation / Answer

Answer (1)

(a) True

Because All of the lipid molecules in cell membranes are amphipathic (oramphiphilic)—that is, they have a hydrophilic (“water-loving”) or polar end and a hydrophobic (“water-fearing”) or nonpolar end. The most abundant membrane lipids are the phospholipids. These have a polar head group and two hydrophobic hydrocarbon tail.

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