How many alcohol groups are typically present in the structure of glycerol?

How do lipids differ from carbohydrates?

In which of the following is fat insoluble?

Assertion : Unsaturated fats are more reactive compared with the saturated fats.
Reason : Unsaturated fats have only single bonds in their structure.

Unsaturated fatty acids have

Waxes do not contain glycerol in their structure,but instead contain which type of alcohol?