CHEM 1020 EXAM 4 | QUESTIONS WITH VERIFIED
ACCURATE ANSWERS | 2026
What are the four major classes of biomolecules? - answers - carbohydrates, lipids,
proteins, nucleic acids
Which of the four major classes of biomolecules is defined by being insoluble in a non-
polar solvent? - answers - lipids
List the two major functions of carbohydrates - answers - used by cells for energy,
component of glycolipid present in nerve tissue
List three major functions of lipids - answers - long term energy storage, hormones,
component of cell-membrane
Proteins are biopolymers composed of which biomonomer? - answers - amino acids
What does a "saccharide" refer to in biochemistry? - answers - carbohydrate; can be
mono/di/polysaccharide
What does "sugar" refer to in biochemistry? - answers - mono or disaccharide
Polysaccharides (carbohydrates) are biopolymers composed of which biomonomer? -
answers - monosaccharides (sugar is acceptable)
Which of the following are not water soluble?
A) monosaccharide
B) disaccharide
C) polysaccharide - answers - c) polysaccharide
Lipids are classified as saponifiable if they possess an _____ functional group -
answers - ester
A chiral center is a carbon bonded to __ different groups. Four groups can be
arranged/configured in __ different ways. - answers - 4; 2
Two structures with atoms bonded with the same connectivity, but with a different
configuration in space, are called what? - answers - enantiomers
All organisms exclusively metabolize the __ stereochemical configuration of
monosaccharides and the __ stereochemical configuration of amino acids. All
monosaccharides in this exam possess this configuration. - answers - d; l
ACCURATE ANSWERS | 2026
What are the four major classes of biomolecules? - answers - carbohydrates, lipids,
proteins, nucleic acids
Which of the four major classes of biomolecules is defined by being insoluble in a non-
polar solvent? - answers - lipids
List the two major functions of carbohydrates - answers - used by cells for energy,
component of glycolipid present in nerve tissue
List three major functions of lipids - answers - long term energy storage, hormones,
component of cell-membrane
Proteins are biopolymers composed of which biomonomer? - answers - amino acids
What does a "saccharide" refer to in biochemistry? - answers - carbohydrate; can be
mono/di/polysaccharide
What does "sugar" refer to in biochemistry? - answers - mono or disaccharide
Polysaccharides (carbohydrates) are biopolymers composed of which biomonomer? -
answers - monosaccharides (sugar is acceptable)
Which of the following are not water soluble?
A) monosaccharide
B) disaccharide
C) polysaccharide - answers - c) polysaccharide
Lipids are classified as saponifiable if they possess an _____ functional group -
answers - ester
A chiral center is a carbon bonded to __ different groups. Four groups can be
arranged/configured in __ different ways. - answers - 4; 2
Two structures with atoms bonded with the same connectivity, but with a different
configuration in space, are called what? - answers - enantiomers
All organisms exclusively metabolize the __ stereochemical configuration of
monosaccharides and the __ stereochemical configuration of amino acids. All
monosaccharides in this exam possess this configuration. - answers - d; l
