<prompt> Which is an omega-9 fatty acid?Arachidonic acidOleic acidLinolenic acidCervonic acid  <response>: Unsaturated fatty acids are also designated o3 omega 3 family--Linolenic acids o6 family--Linoleic and Arachidonic acids o9 family--Oleic acid.Ref: DM Vasudevan - Textbook of Biochemistry, 8th edition, page no: 76 