Biology 20 - Chapter 8 Exam with correct
Answers
Carbohydrate - Answers -A molecule composed of sugar subunits that contain carbon,
hydrogen and oxygen in a 1:2:1 ratio
Monosaccharide - Answers -A single sugar unit
Isomer - Answers -One of a group of chemicals that have the same chemical formula
but different arrangements of atoms
Dehydration Synthesis - Answers -The process by which larger molecules are formed
by the removal of water from two smaller molecules
Hydrolysis - Answers -The process by which larger molecules are split into smaller
molecules by the addition of water
Polysaccharide - Answers -A carbohydrate composed of many single sugar subunits
Starch - Answers -A plant carbohydrate used to store energy
Glycogen - Answers -The form of carbohydrate storage in animals
Cellulose - Answers -A plant polysaccharide that makes up plant cell walls
Triglyceride - Answers -A lipid composed of glycerol and three fatty acids
Fat - Answers -A lipid composed of glycerol and saturated fatty acids; solid at room
temperature
Oil - Answers -A lipid composed of glycerol and unsaturated fatty acids; liquid at room
temperature
Phospholipid - Answers -A lipid with a phosphate molecule attached to the glycerol
backbone, making the molecule polar; the major components of cell membranes
Wax - Answers -A long-chain lipid that is insoluble in water
Peptide Bond - Answers -The bond that joins amino acids
Essential Amino Acid - Answers -An amino acid that must be obtained from the diet
Answers
Carbohydrate - Answers -A molecule composed of sugar subunits that contain carbon,
hydrogen and oxygen in a 1:2:1 ratio
Monosaccharide - Answers -A single sugar unit
Isomer - Answers -One of a group of chemicals that have the same chemical formula
but different arrangements of atoms
Dehydration Synthesis - Answers -The process by which larger molecules are formed
by the removal of water from two smaller molecules
Hydrolysis - Answers -The process by which larger molecules are split into smaller
molecules by the addition of water
Polysaccharide - Answers -A carbohydrate composed of many single sugar subunits
Starch - Answers -A plant carbohydrate used to store energy
Glycogen - Answers -The form of carbohydrate storage in animals
Cellulose - Answers -A plant polysaccharide that makes up plant cell walls
Triglyceride - Answers -A lipid composed of glycerol and three fatty acids
Fat - Answers -A lipid composed of glycerol and saturated fatty acids; solid at room
temperature
Oil - Answers -A lipid composed of glycerol and unsaturated fatty acids; liquid at room
temperature
Phospholipid - Answers -A lipid with a phosphate molecule attached to the glycerol
backbone, making the molecule polar; the major components of cell membranes
Wax - Answers -A long-chain lipid that is insoluble in water
Peptide Bond - Answers -The bond that joins amino acids
Essential Amino Acid - Answers -An amino acid that must be obtained from the diet
