Name:
__ 1. What are the building blocks of proteins?
a) nucleotides
c) amino acids
e) cholesterol
b) monosaccharides
d) fatty acids
f) peptides
__ 2. What is the covalent bond between amino acids of a protein called?
a) hydrogen bond
c) resonance bond
e) glycosidic bond
d) divalent bond
f) amino bond
b) peptide bond
sucrose
a. storage polysaccharide of plants
__ 3.
glucose
b. storage polysaccharide of animals
__ 4.
ribose
c. structural polysaccharide of plant cell walls
__ 5.
chitin
d. structural polysaccharide of bacterial cell walls
__ 6.
glycogen
e. structural polysaccharide of arthropod exoskeletons and fungal cell walls
__ 7.
cellulose
f. table sugar (a disaccharide)
__ 8.
peptidoglycan
g. a hexose sugar
__ 9.
h. a pentose sugar
__ 10. starch
__ 11. What are the building blocks of polysaccharides?
a) nucleotides
c) amino acids
e) cholesterol
b) monosaccharides
d) fatty acids
f) peptides
__ 12. How many different types of amino acids are commonly found in proteins?
a) 1
b) 2
c) 8
d) 12
e) 16
f) 20
__ 13.
__ 14.
__ 15.
__ 16.
primary structure
tertiary structure
quaternary structure
secondary structure
a.
b.
c.
d.
two or more polypeptides coming together to form a functional protein
foldings due to hydrogen bonds between backbone atoms
the 3-D shape of a protein due to interactions of side chain groups
the amino acid sequence of a protein
__ 17. The -helix and -sheet are structures of what level of protein organization?
a) primary
b) secondary
c) tertiary
d) quaternary
__ 18. A triose is a monosaccharide with three carbons and a trisaccharide is composed of three
monosaccharides.
a) true
b) false
__ 19. The formation of large molecules from monomers is accomplished by a(n) ______ reaction.
a) oxidation
c) dehydration
e) Schiff base
b) reduction
d) hydrolysis
f) decarboxylation
__ 20. The breakdown of large molecules into their monomers is accomplished by ____ reactions.
a) oxidation
c) dehydration
e) Schiff base
b) reduction
d) hydrolysis
f) decarboxylation
__ 21. List three functions of proteins and / or peptides.
__ 22. What is the generalized molecular formula for a carbohydrate?
__ 23. What determines the primary structure of a protein?
__ 24. Draw the structure of an amino acid.