NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A fatty acid is unsaturated if it
A
contains hydrogen
B
contains carbon-carbon double bonds
C
contains a carboxyl group
D
bonds to a nucleotide
Explanation: 

Detailed explanation-1: -Unsaturated fatty acid carbon chains contain one or more double bonds with a terminal carboxylic group (–COOH), unlike saturated fatty acids, which contain no double bonds. These fatty acids are subdivided into two groups depending on the number of double bonds.

Detailed explanation-2: -Stearic acid and palmitic acid, which are commonly found in meat, are examples of saturated fats. When the hydrocarbon chain contains a double bond, the fatty acid is said to be unsaturated. Oleic acid is an example of an unsaturated fatty acid. Most unsaturated fats are liquid at room temperature and are called oils.

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