Lipids-I

An example of a saturated fatty acid is:

• Oleic acid

• Arachidic acid

• Elaidic acid

• Linoleic acid

______ is an essential fatty acid.

Arachidonic acid is the precursor of:

• Trans fats

• Phospholipids

• Eicosanoids

• Cytokines

IPAC name of the given fatty acid is:

• Tetradecanoic acid

• Tetradecanenoic acid

• Tetradecanic acid

• Tetradecanal

Which of the following is incorrect for the given fatty acid? (multiple anwers)

• an unsaturated fatty acid

• an essential fatty acid

• Omega-6 class fatty acid

• numbering accoding COOH is 18:1;11

• IUPAC name is cis-11-octadecenoic acid

Which of the following is a volatile fatty acid?

• Palmitic acid

• Propionic acid

• Oleic acid

• Myristic acid

Which of the following fatty acids contributes to the fluidity of cell membranes?

• Palmitic acid

• Stearic acid

• Oleic acid

• Elaidic acid

Draw the structural formula of cis-6-Hexadecenoic acid.

Which of the following has the lowest possible melting point?

• Octadecanoic acid

• cis-9-octadecenoic acid

• trans-9-octadecenoic acid

• all-cis-9,12-octadecadienoic acid

Why volatile fatty acids are so significant for ruminants?