1.3 - Organic Compounds: Lipids

Question 1

Cholesterol

Answer 1

A steroid that functions in lipid metabolism, hormone production, and the structure and function of the cell

Question 2

Fatty Acid

Answer 2

A hydrocarbon chain with a carboxyl group and a methyl group at opposite ends

Question 3

Glycerol

Answer 3

A three-carbon molecule to which fatty acids and/or phosphate groups attach to form lipids

Question 4

Hormone

Answer 4

A signaling molecule that the body releases to regulate processes at distant sites

Question 5

Lipid

Answer 5

A macromolecule primarily made of hydrophobic hydrocarbons that are unable to form a solution

Question 6

Monounsaturated Fatty Acid

Answer 6

A fatty acid whose carbon skeleton contains one carbon double bond and is liquid at room temp

Question 7

Phospholipid

Answer 7

A lipid formed by a glycerol two fatty acids and a phosphate group which plays a role in cell structure

Question 8

Polyunsaturated Fatty Acid

Answer 8

A fatty acid whose carbon skeleton contains two or more carbon double bonds and is liquid at room temperature

Question 9

Prostoglandin

Answer 9

A signaling molecule in the body derived from unsaturated fatty acids

Question 10

Saturated Fatty Acid

Answer 10

A fatty acid whose carbon skeleton contains only single bonds (no double bonds) between carbon atoms and is solid or semi-solid at room temperature

Question 11

Steroid

Answer 11

A lipid composed of four hydrocarbon rings

Question 12

Trans Fatty Acid

Answer 12

An unsaturated fatty acid whose carbon skeleton has been chemically altered to be straight and is solid at room temperature

Question 13

Triglyceride

Answer 13

A storage form of lipid formed by a glycerol and three fatty acids