Question

1. Which of the following statements describes lipids?

A) Lipids all have the steroid backbone. B) The body stores excess calories as lipids. C) Lipids are insoluble in water, but soluble in nonpolar solvents. D) Lipids are soluble in water, but insoluble in nonpolar solvents. E) Lipids are insoluble in all solvents

2. Which of the following type of molecule is not a lipid?

A) amino acid B) triglyceride C) phospholipid D) steroid E) eicosanoid

3. Which type of lipid is the main component of cell membranes?

A) triglyceride B) phospholipid C) glycolipid D) phospholipids and glycolipids E) triglycerides and eicosanoid

4. The melting point of a fatty acid is determined by _________in the fatty acid.

A) the number of hydrogen bonding functional groups B) the number of double bonds C) the number of carbons D) both the number of carbons and the number of double bonds E) the number of reactive functional groups

5.Triglycerides generally have physical properties

A) similar to the fatty acids from which they are composed. B) similar to glycerol. C) very different from the fatty acids from which they are composed. D) similar to phospholipids. E) All lipids have the same physical properties

6. Where would you most likely find unsaturated fats?

A) They are found in meat. B) They are found in cheese. C) They are found in butter. D) They are found in plants. E) They are found in margarine.

7. About how long do an average adult male's glycogen stores last?

A) about an hour B) about a day C) about a week D) about a month E) about 12 weeks

8. Amphipathic molecules can interact with both lipids and water because they contain

A) an ester. B) sphingosine. C) polar regions and nonpolar regions. D) cholesterol. E) saturated fatty acids.

9. These steroid hormones are the major sex hormones.

A) glucocorticoids and mineralocorticoids B) mineralocorticoids and progestins C) estrogens and androgens only D) estrogens, androgens, and progestins E) All of these are sex hormones.

Answer 1

nonpora US 1. The statements best describes lipids - 1) Lipids are insoluble in water, but soluble in nonpolar solvents, shipies are long-chain hydrocarbon ended with - cool group. so, they are insoluble in watch bi soluble in non polar sohment. 2. Amino acid is not a lipid. - Amino acid is the backbone of prosien. 3. Phospholipid is the main component of I cell membrane. - 4. The melting point of a fatty acid is determine by 'both the number of carbons and the number of double bonds,