[Answer] What do unsaturated fatty acid tails lack? BIO EXAM 2

Answer: Double bonds

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What do unsaturated fatty acid tails lack? BIO EXAM 2 Fatty acid molecular species Mono- unsaturated fatty acid . The following fatty acids have one unsaturated bond. Crotonic acid . Crotonic acid has 4 carbons is included in croton oil and is a trans- 2 -mono- unsaturated fatty acid .C 3 H 5 CO 2 H IUPAC organization name (E)-but- 2 -enoic acid trans -but- 2 -enoic acid numerical representation 4: 1 n-1 molecular weight 86.09 melting point 72-74 ... In chemistry particularly in biochemistry a fatty acid is a carboxylic acid with a long aliphatic chain which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms from 4 to 28. Fatty acids are usually not found in organisms in their standalone form but instead exist as three main classes of esters: triglycerides phospholipids and cholesteryl esters. In any of these forms fatty acids are both important dietarysources of fuel for animals and they are imp… In chemistry particularly in biochemistry a fatty acid is a carboxylic acid with a long aliphatic chain which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms from 4 to 28. Fatty acids are usually not found in organisms in their standalone form but instead exist as three main classes of esters: triglycerides phospholipids and cholesteryl esters. In any of these forms fatty acids are both important dietarysources of fuel for animals and they are imp… Phospholipid-derived fatty acids - Wikipedia The fatty acid structure affects the bilayer structure. Fatty acids with an unsaturated tail (blue) disrupt the packing of those with only saturated tails (black). The resulting bilayer has more free space and is consequently more permeable to water and other small molecules. Saturated fatty acids have no double bonds in the hydrocarbon chain and the maximum amount of hydrogen. The absence of double bonds decreases fluidity making the membrane very strong and stacked tightly. Unsaturated fatty acids have at least one double bond creating a "kink" in the chain. The double bond increases fluidity. Membrane fluidity is also affected by cholesterol. A triglyceride (TG triacylglycerol TAG or triacylglyceride) is an ester derived from glyce...

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