Arachidonic acid, which present in the membranes of the body's cells and is abundant in the brain and contains _ double bonds.
Correct answer: B. 4
- A. 3
- B. 4
- C. 5
- D. 8
Explanation
Arachidonic acid is a 20-carbon chain with four cis-double bonds, containing carboxylic acid. It is abundantly present in the brain.
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Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.
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