Draw the skeletal structure for the following fatty acid, identify its name, and determine its omega number. Note that all double bonds are in the cis configuration.
CH₃CH₂CH=CHCH₂CH=CHCH₂CH=CHCH₂CH₂CH₂CH₂CH₂CH₂CH₂COOH

• A. Skeletal structure:Name: linolenic acidOmega number: ω-4
• B. Skeletal structure:Name: arachidonic acidOmega number: ω-8
• C. Skeletal structure:Name: linolenic acidOmega number: ω-3
• D. Skeletal structure:Name: arachidonic acidOmega number: ω-9

Answer: (C)