Question

1. W
is an abundant 18-carbon monounsaturated fatty acid with a cis double bond between C-9 and C-10​

Answer 1

Oleic Acid

• Various animal and vegetable fats and oils naturally include the fatty acid oleic acid. Despite the possibility of yellowish commercial samples, the oil is odourless and colourless. Oleic acid is a monounsaturated omega-9 fatty acid, denoted chemically by the lipid number 18:1 cis-9, and a primary byproduct of the enzyme 9 desaturase.
• The Latin word oleum, which meaning oil, is where the name comes from.
• In nature, it is the most prevalent fatty acid. Oleates are the names for oleic acid salts and esters.
• In biological systems, fatty acids (or their salts) frequently do not exist as such. Instead, triglycerides, which are the greasy components in many natural oils, are formed from fatty acids like oleic acid as their esters. The most prevalent monounsaturated fatty acid found in nature is oleic acid. Triglycerides, membrane-making phospholipids, cholesterol esters, and wax esters are among the substances that include it..

Hence, W is oleic acid here.

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