UCONN BIOLOGY 1107
FINALS
,1. Which of the following categories includes all others in the list?
A.) monosaccharide B.) polysaccharide C.) disaccharide
D.) starch
E.) carbohydrate: E.) carbohydrate
2. Which bonds are created during the formation of the primary structure of a protein?
A.) disulfide bonds
B.) phosphodiester bonds
C.) hydrogen bonds
D.) peptide bonds
E.) peptide bonds, hydrogen bonds, and disulfide bonds: D.) peptide bonds
3. If cells are grown in a medium containing radioactive 35S, which of these molecules will
be labeled?
A.) phospholipids
B.) both proteins and nucleic acids
C.) proteins
D.) amylose
E.) nucleic acids: C.) proteins
4. The bonding of two amino acid molecules to form a larger molecule requires
A.) the release of a water molecule B.) the addition of a water molecule C.) the addition of a
nitrogen atom
D.) the release of a nitrous oxide molecule
E.) the release of a carbon dioxide molecule: A.) the release of a water molecule
5. Which of the following is true of both starch and cellulose?
A.) They can both be digested by humans
B.) They are both polymers of glucose
C.) They are both structural components of the plant cell wall
D.) They are both used for energy storage in plants
E.) They are cis-trans isomers of each other: B.) They are both polymers of glucose
6. At which level of protein structure are interactions between the side chains
, (R groups) most important?
A.) primary
B.) quaternary
C.) tertiary
D.) secondary
E.) all of the above: C.) tertiary
7. The atomic number of hydrogen is 7. Nitrogen-15 is heavier than nitrogen-14 because the
atomic nucleus of nitrogen-15 contains how many neutrons?
A.) 14
B.) 12
C.) 7
D.) 8
E.) 6: D.) 8
8. If a DNA sample were composed of 10% thymine, what would be the per- centage of
guanine?
A.) 10
B.) 40
C.) 80
D.) 20
E.) impossible to tell from the information given: B.) 40
9. Why does ice float in liquid water?
A.) The ionic bonds between the molecules in ice prevent the ice from sinking. B.) Ice always
has air bubbles that keep it afloat.
C.) The crystalline lattice of ice causes it to be denser than liquid water.
D.) Hydrogen bonds stabilize and keep the molecules of ice farther apart than the water
molecules of liquid water.
E.) The high surface tension of liquid water keeps the ice on top.: D.) Hydrogen bonds stabilize
and keep the molecules of ice farther apart than the water molecules of liquid water.
10. Dehydration reactions are used in forming which of the following com- pounds?
FINALS
,1. Which of the following categories includes all others in the list?
A.) monosaccharide B.) polysaccharide C.) disaccharide
D.) starch
E.) carbohydrate: E.) carbohydrate
2. Which bonds are created during the formation of the primary structure of a protein?
A.) disulfide bonds
B.) phosphodiester bonds
C.) hydrogen bonds
D.) peptide bonds
E.) peptide bonds, hydrogen bonds, and disulfide bonds: D.) peptide bonds
3. If cells are grown in a medium containing radioactive 35S, which of these molecules will
be labeled?
A.) phospholipids
B.) both proteins and nucleic acids
C.) proteins
D.) amylose
E.) nucleic acids: C.) proteins
4. The bonding of two amino acid molecules to form a larger molecule requires
A.) the release of a water molecule B.) the addition of a water molecule C.) the addition of a
nitrogen atom
D.) the release of a nitrous oxide molecule
E.) the release of a carbon dioxide molecule: A.) the release of a water molecule
5. Which of the following is true of both starch and cellulose?
A.) They can both be digested by humans
B.) They are both polymers of glucose
C.) They are both structural components of the plant cell wall
D.) They are both used for energy storage in plants
E.) They are cis-trans isomers of each other: B.) They are both polymers of glucose
6. At which level of protein structure are interactions between the side chains
, (R groups) most important?
A.) primary
B.) quaternary
C.) tertiary
D.) secondary
E.) all of the above: C.) tertiary
7. The atomic number of hydrogen is 7. Nitrogen-15 is heavier than nitrogen-14 because the
atomic nucleus of nitrogen-15 contains how many neutrons?
A.) 14
B.) 12
C.) 7
D.) 8
E.) 6: D.) 8
8. If a DNA sample were composed of 10% thymine, what would be the per- centage of
guanine?
A.) 10
B.) 40
C.) 80
D.) 20
E.) impossible to tell from the information given: B.) 40
9. Why does ice float in liquid water?
A.) The ionic bonds between the molecules in ice prevent the ice from sinking. B.) Ice always
has air bubbles that keep it afloat.
C.) The crystalline lattice of ice causes it to be denser than liquid water.
D.) Hydrogen bonds stabilize and keep the molecules of ice farther apart than the water
molecules of liquid water.
E.) The high surface tension of liquid water keeps the ice on top.: D.) Hydrogen bonds stabilize
and keep the molecules of ice farther apart than the water molecules of liquid water.
10. Dehydration reactions are used in forming which of the following com- pounds?
