Biology - Chapter 2 Lipid Terms - Quiz 5

4 Written Questions

1. have a carbon backbone of four different carbon rings plus a side chain of carbon
2. a molecule consisting of two fatty acid molecules and a phosphate group attached to a glycerol molecule.
3. organic compound that is insoluble in water, soluble in certain organic solvents like alcohol. Think of fats.
4. chemical component in the exoskeleton of asthropods and in the cell walls of fungi

3 Multiple Choice Questions

1. unbranched chains of 14-28 carbon atoms that have a carboxyl group added to one end.
   1. chitins
   2. saturated
   3. lipids
   4. fatty acids
2. not having an affinity for water...afraid of water.
   1. sterol
   2. hydrophobic
   3. phospholipid
   4. hydrophilic
3. attracted to or having an affinity for water.
   1. hydrophilic
   2. phospholipid
   3. sterol
   4. hydrophobic

3 True/False Questions

1. unsaturated → all carbon atoms (except the end ones) have two hydrogen molecules attached to them

   True        False

2. triglyceride → organic compound that is insoluble in water, soluble in certain organic solvents like alcohol. Think of fats.

   True        False

3. saturated → there are less than two hydrogen molecules attached to each carbon molecule

   True        False