What Type of Molecule is Shown in the Accompanying Figure

Question

What type of molecule is shown in the accompanying figure?  
A) Saturated fatty acid
B) Unsaturated fatty acid
C) Triglyceride
D) Wax
E) Steroid

Accepted Answer

The figure shows a hydrocarbon chain with one double bond, which makes it an unsaturated fatty acid. Saturated fatty acids do not have any double bonds, and triglycerides, waxes, and steroids have more complex structures.