Which of the following terms can be correctly used to describe compounds that do not mix with water?

Which of the following is a true statement comparing phospholipids and triacylglycerols (fats and oils)?

Lipids differ from other large biological molecules in that they __________.

Nutritionally, saturated triacylglycerols are considered to be less healthful than unsaturated triacylglycerols. What is the difference between them?

The lipids that form the main structural component of cell membranes are __________.

If a small droplet of triacylglycerol molecules is suspended in water, the fat molecules form a "ball of spaghetti" with no particular orientation. But if a droplet of phospholipid molecules is put in water, all the molecules point outward, toward the water. Phospholipids are forced into this orientation because phospholipids have __________.

The sex hormones estradiol and testosterone belong to which class of molecules?