Question

which are triglycerides that contain only single bonds between carbon atoms? saturated fats unsaturated fats polyunsaturated fats phospholipids

Explanation:

Saturated fats are triglycerides with only single - bonds between carbon atoms. Unsaturated fats have at least one double - bond, polyunsaturated fats have multiple double - bonds, and phospholipids are a different class of lipids with a phosphate group.

Answer:

saturated fats