
Part A
Correct
RNA is a nucleic acid
Part B

Correct
The fatty acid tails lack double bonds.
Part C
Correct
Phospholipids are composed of a phosphate group, a glycerol, and fatty acids.
Part D
Correct
Olive oil is a plant oil, and most plant oils are rich in unsaturated fats.
Part E
Correct
Cholesterol is an important component of animal cell membranes.