Unsaturated fatty acids contain one or more bonds between carbon atoms in their long chains.

Your statement about unsaturated fatty acids is correct. To elaborate, unsaturated fatty acids are characterized by the presence of one or more double bonds (C=C) between carbon atoms in their hydrocarbon chains. These double bonds introduce kinks or bends in the fatty acid chains, preventing them from packing closely together. As a result, unsaturated fatty acids are typically found in liquid form at room temperature, unlike saturated fatty acids, which have no double bonds and are more likely to be solid.

There are two main types of unsaturated fatty acids:

1. Monounsaturated Fatty Acids: These contain one double bond. Examples include oleic acid, which is found in olive oil.

2. Polyunsaturated Fatty Acids: These contain two or more double bonds. Examples include omega-3 and omega-6 fatty acids, which are essential in the human diet and are found in fish and flaxseeds.

Unsaturated fats are generally considered healthier than saturated fats, as they can help lower bad cholesterol levels and provide essential fatty acids that the body cannot synthesize on its own. Foods rich in unsaturated fats include avocados, nuts, seeds, and certain vegetable oils.