AP Bio Chapter 3

Question 1 of 35

1

How many molecules of water are needed to completely hydrolyze a polymer that is 9 monomers long?

Select one of the following:

12
11
10
9
8

Explanation

Question 2 of 35

1

The bonding of two amino acid molecules to form a larger molecule requires

Select one of the following:

the release of a water molecule.
the release of a carbon dioxide molecule.
the addition of a nitrogen atom.
the addition of a water molecule.
the release of a nitrous oxide molecule.

Explanation

Question 3 of 35

1

All of the following are polysaccharides except

Select one of the following:

lactose
glycogen
chitin
cellulose
amylopectin

Explanation

Question 4 of 35

1

The label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. What is the result of adding hydrogens to vegetable oil?

Select one of the following:

The hydrogenated vegetable oil has a lower melting point.
The hydrogenated vegetable oil stays solid at room temperature.
The hydrogenated vegetable oil has more "kinks" in the fatty acid chains.
The hydrogenated vegetable oil has fewer trans fatty acids.
The hydrogenated vegetable oil is less likely to clog arteries.

Explanation

Question 5 of 35

1

All of the following contain amino acids except

Select one of the following:

hemoglobin
cholesterol
antibodies
enzymes
insulin

Explanation

Question 6 of 35

1

At which level(s) of protein structure are interactions between the side chains (R groups) most important?

Select one of the following:

primary
secondary
tertiary
quaternary
primary, secondary, tertiary, and quaternary

Explanation

Question 7 of 35

1

Which of the following statements best summarizes the differences between DNA and RNA?

Select one of the following:

DNA encodes hereditary information, whereas RNA does not.
The bases in DNA form base-paired duplexes, whereas the bases in RNA do not.
DNA nucleotides contain a different sugar than RNA nucleotides.
DNA contains the base uracil, whereas RNA contains the base thymine.
DNA encodes hereditary information, whereas RNA does not; the bases in DNA form base-paired duplexes, whereas the bases in RNA do not; and DNA nucleotides contain a different sugar than RNA nucleotides.

Explanation

Question 8 of 35

1

The element present in all organic molecules is

Select one of the following:

hydrogen
oxygen
carbon
nitrogen
phosphorus

Explanation

Question 9 of 35

1

The experimental approach taken in current biological investigations presumes that

Select one of the following:

simple organic compounds can be synthesized in the laboratory from inorganic precursors, but complex organic compounds such as carbohydrates and proteins can only be synthesized by living organisms.
a life force ultimately controls the activities of living organisms, and this life force cannot be studied by physical or chemical methods.
although a life force, or vitalism, exists in living organisms, this life force cannot be studied by physical or chemical methods.
living organisms are composed of the same elements present in nonliving things, plus a few special trace elements found only in living organisms or their products.
living organisms can be understood in terms of the same physical and chemical laws that can be used to explain all natural phenomena.

Explanation

Question 10 of 35

1

How many electron pairs does carbon share in order to complete its valence shell?

Select one of the following:

1
2
3
4
8

Explanation

Question 11 of 35

1

A carbon atom is most likely to form which of the following bonds with other atoms?

Select one of the following:

ionic bond
hydrogen bond
covalent bond
covalent bonds and hydrogen bonds
ionic bonds, covalent bonds, and hydrogen bonds

Explanation

Question 12 of 35

1

Which of the following is not a monomer/polymer pairing?

Select one of the following:

monosaccharide/polysaccharide
amino acid/protein
triglyceride/phospholipid bilayer
deoxyribonucleotide/DNA
ribonucleotide/RNA

Explanation

Question 13 of 35

1

Which of these molecules is not formed by dehydration reactions?

Select one of the following:

fatty acids
disaccharides
DNA
protein
amylose

Explanation

Question 14 of 35

1

Which of the following is not a polymer?

Select one of the following:

glucose
starch
cellulose
chitin
DNA

Explanation

Question 15 of 35

1

What is the chemical reaction mechanism by which cells make polymers from monomers?

Select one of the following:

phosphodiester linkages
hydrolysis
dehydration reactions
ionic bonding of monomers
the formation of disulfide bridges between monomers

Explanation

Question 16 of 35

1

Which of the following is true of cellulose?

Select one of the following:

It is a polymer composed of enantiomers of glucose.
It is a storage polysaccharide for energy in plant cells.
It is digestible by bacteria in the human gut.
It is a major structural component of plant cell walls.
It is a polymer composed of enantiomers of glucose, it is a storage polysaccharide for energy in plant cells, it is digestible by bacteria in the human gut, and it is a major structural component of plant cell walls.

Explanation

Question 17 of 35

1

Which of the following statements is true regarding the molecule illustrated in Figure 3.8?

Select one of the following:

It is a saturated fatty acid.
A diet rich in this molecule may contribute to atherosclerosis.
Molecules of this type are usually liquid at room temperature.
It is a saturated fatty acid, and a diet rich in this molecule may contribute to atherosclerosis.
It is a saturated fatty acid, a diet rich in this molecule may contribute to atherosclerosis, and molecules of this type are usually liquid at room temperature.

Explanation

Question 18 of 35

1

Which bond is a peptide bond?

Select one of the following:

A
B
C
D
E

Explanation

Question 19 of 35

1

Which bonds are created during the formation of the primary structure of a protein?

Select one of the following:

peptide bonds
hydrogen bonds
disulfide bonds
phosphodiester bonds
peptide bonds, hydrogen bonds, and disulfide bonds

Explanation

Question 20 of 35

1

Which type of interaction stabilizes the α helix and the β pleated sheet structures of proteins?

Select one of the following:

hydrophobic interactions
disulfide bonds
ionic bonds
hydrogen bonds
peptide bonds

Explanation

Question 21 of 35

1

The tertiary structure of a protein is the

Select one of the following:

bonding together of several polypeptide chains by weak bonds.
order in which amino acids are joined in a polypeptide chain.
unique three-dimensional shape of the fully folded polypeptide.
organization of a polypeptide chain into an a helix or b pleated sheet.
overall protein structure resulting from the aggregation of two or more polypeptide subunits.

Explanation

Question 22 of 35

1

The difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA

Select one of the following:

is a six-carbon sugar and the sugar in RNA is a five-carbon sugar.
can form a double-stranded molecule.
is an aldehyde sugar and the sugar in the RNA is a keto sugar.
is in the a configuration and the sugar in RNA is in the b configuration.
contains one less oxygen atom.

Explanation

Question 23 of 35

1

If one strand of a DNA molecule has the sequence of bases 5'ATTGCA3', the other complementary strand would have the sequence

Select one of the following:

5'TAACGT3'.
5'TGCAAT3'.
5'UAACGU3'.
3'UAACGU5'.
5'UGCAAU3'.

Explanation

Question 24 of 35

1

Which molecule has hydrophilic and hydrophobic properties and would be found in plasma membranes?

Select one of the following:

1
5
6
12
14

Explanation

Question 25 of 35

1

Which of the following combinations could be linked together to form a nucleotide?

Select one of the following:

1, 2, and 11
3, 7, and 8
5, 9, and 10
11, 12, and 13
12, 14, and 15

Explanation

Question 26 of 35

1

Which molecule is glycerol?

Select one of the following:

1
6
10
14
15

Explanation

Question 27 of 35

1

Which molecule is a saturated fatty acid?

Select one of the following:

1
5
6
8
9

Explanation

Question 28 of 35

1

Which of the following molecules is a purine type of nitrogenous base?

Select one of the following:

2
3
5
12
13

Explanation

Question 29 of 35

1

Which of the following molecules act as building blocks (monomers) of polypeptides?

Select one of the following:

1, 4, and 6
2, 7, and 8
7, 8, and 13
11, 12, and 13
12, 13, and 15

Explanation

Question 30 of 35

1

Which of the following molecules could be joined together by a peptide bond as a result of a dehydration reaction?

Select one of the following:

2 and 3
3 and 7
7 and 8
8 and 9
12 and 13

Explanation

Question 31 of 35

1

A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between

Select one of the following:

one molecule of 9 and three molecules of 10.
three molecules of 9 and one molecule of 10.
one molecule of 5 and three molecules of 9.
three molecules of 5 and one molecule of 9.
one molecule of 5 and three molecules of 10.

Explanation

Question 32 of 35

1

Which of the following molecules could be joined together by a phosphodiester type of covalent bond?

Select one of the following:

3 and 4
3 and 8
6 and 15
11 and 12
11 and 13

Explanation

Question 33 of 35

1

Which of the following molecules contains a glycosidic linkage type of covalent bond?

Select one of the following:

4
6
12
13
15

Explanation

Question 34 of 35

1

Which of the following molecules consists of a hydrophilic "head" region and a hydrophobic "tail" region?

Select one of the following:

2
5
7
9
11

Explanation

Question 35 of 35

1

Which of the following statements is false?

Select one of the following:

1 and 4 could be joined together by a glycosidic linkage to form a disaccharide.
9 and 10 could be joined together by ester bonds to form a triacylglycerol.
2 and 7 could be joined together to form a short peptide.
2, 7, and 8 could be joined together to form a short peptide.
14 and 15 could be joined together to form a polypeptide.

	Created by Brooke Nyenhuis over 6 years ago

Quiz on AP Bio Chapter 3, created by Brooke Nyenhuis on 01/11/2017.

AP Bio Chapter 3

AP Bio Chapter 3

Question 1 of 35

How many molecules of water are needed to completely hydrolyze a polymer that is 9 monomers long?

Select one of the following:

Explanation

Question 2 of 35

The bonding of two amino acid molecules to form a larger molecule requires

Select one of the following:

Explanation

Question 3 of 35

All of the following are polysaccharides except

Select one of the following:

Explanation

Question 4 of 35

The label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. What is the result of adding hydrogens to vegetable oil?

Select one of the following:

Explanation

Question 5 of 35

All of the following contain amino acids except

Select one of the following:

Explanation

Question 6 of 35

At which level(s) of protein structure are interactions between the side chains (R groups) most important?

Select one of the following:

Explanation

Question 7 of 35

Which of the following statements best summarizes the differences between DNA and RNA?

Select one of the following:

Explanation

Question 8 of 35

The element present in all organic molecules is

Select one of the following:

Explanation

Question 9 of 35

The experimental approach taken in current biological investigations presumes that

Select one of the following:

Explanation

Question 10 of 35

How many electron pairs does carbon share in order to complete its valence shell?

Select one of the following:

Explanation

Question 11 of 35

A carbon atom is most likely to form which of the following bonds with other atoms?

Select one of the following:

Explanation

Question 12 of 35

Which of the following is not a monomer/polymer pairing?

Select one of the following:

Explanation

Question 13 of 35

Which of these molecules is not formed by dehydration reactions?

Select one of the following:

Explanation

Question 14 of 35

Which of the following is not a polymer?

Select one of the following:

Explanation

Question 15 of 35

What is the chemical reaction mechanism by which cells make polymers from monomers?

Select one of the following:

Explanation

Question 16 of 35

Which of the following is true of cellulose?

Select one of the following:

Explanation

Question 17 of 35

Which of the following statements is true regarding the molecule illustrated in Figure 3.8?

Select one of the following:

Explanation

Question 18 of 35

Which bond is a peptide bond?

Select one of the following:

Explanation

Question 19 of 35

Which bonds are created during the formation of the primary structure of a protein?

Select one of the following:

Explanation

Question 20 of 35