Question

drag the terms on the left to the appropriate blanks on the right to complete the sentences. not all terms will be used. 1. lipids are diverse compounds that are grouped together because they are blank. 2. a fat molecule is composed of two types of smaller molecules: blank and fatty acids. 3. a fatty acid consists of a blank and a long hydrocarbon chain. 4. blank have one or more double bonds in their hydrocarbon chains and are usually found in vegetable oils. 5. the hydrocarbon chains of blank are not kinked, and thus pack closely together, making animal fats solid at room temperature. 6. blank are a major component of cell membranes. they form a bilayer with their hydrophobic tails mingling together and their hydrophilic heads facing the watery environment on both sides of the membrane. 7. blank are lipids with a structure consisting of four fused rings. many sex hormones are made from this type of lipid. unsaturated fatty acids phospholipids hydrophilic glycerol carboxyl group steroids saturated fatty acids hydrophobic

Explanation:

1. Lipids are grouped as hydrophobic as they don't dissolve in water.
2. A fat molecule has glycerol and fatty - acids.
3. A fatty acid has a carboxyl group and a hydrocarbon chain.
4. Unsaturated fatty acids have double bonds and are in vegetable oils.
5. Saturated fatty acids have un - kinked chains and make animal fats solid.
6. Phospholipids form cell - membrane bilayers.
7. Steroids have a four - fused - ring structure and are used in sex hormones.

Answer:

1. hydrophobic
2. glycerol
3. carboxyl group
4. unsaturated fatty acids
5. saturated fatty acids
6. phospholipids
7. steroids