1. what is the function of cholesterol in the cell membrane? a. to allow substances to pass through b. to prevent the hydrophobic tails from sticking together c. to make more room inside the cell membrane d. to the cell recognize 'self' and 'non-self' 2. which of the following is a function of the nucleus? select all that apply a. breaks down macromolecules into particles the cell can use b. contains the information needed to make proteins c. directs the activities of the cell d. stores dna

All fats are part of a larger group known as lipids. lipids come in a variety of forms in food, including triglycerides, phospholipids, and sterols. choose the statement below that correctly describes the types of lipids found in foods. all fats are part of a larger group known as lipids. lipids come in a variety of forms in food, including triglycerides, phospholipids, and sterols. choose the statement below that correctly describes the types of lipids found in foods. triglycerides contain two fatty acids attached to a glycerol backbone. the body does not manufacture phospholipids, so they must be included in the diet. about 95% of the fat you eat is in the form of sterols. sterols like cholesterol have a ring structure.

As water is cooled from 4 to 0, its density

The footprint of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils a.body b.amber c.trace d.index