AP Bio Chapter 3

Questão 1 de 35

1

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

Selecione uma das seguintes:

12
11
10
9
8

Explicação

Questão 2 de 35

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 3 de 35

1

All of the following are polysaccharides except

Selecione uma das seguintes:

lactose
glycogen
chitin
cellulose
amylopectin

Explicação

Questão 4 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 5 de 35

1

All of the following contain amino acids except

Selecione uma das seguintes:

hemoglobin
cholesterol
antibodies
enzymes
insulin

Explicação

Questão 6 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 7 de 35

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 8 de 35

1

The element present in all organic molecules is

Selecione uma das seguintes:

hydrogen
oxygen
carbon
nitrogen
phosphorus

Explicação

Questão 9 de 35

1

The experimental approach taken in current biological investigations presumes that

Selecione uma das seguintes:

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.

Explicação

Questão 10 de 35

1

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

Selecione uma das seguintes:

1
2
3
4
8

Explicação

Questão 11 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 12 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 13 de 35

1

Which of these molecules is not formed by dehydration reactions?

Selecione uma das seguintes:

fatty acids
disaccharides
DNA
protein
amylose

Explicação

Questão 14 de 35

1

Which of the following is not a polymer?

Selecione uma das seguintes:

glucose
starch
cellulose
chitin
DNA

Explicação

Questão 15 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 16 de 35

1

Which of the following is true of cellulose?

Selecione uma das seguintes:

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.

Explicação

Questão 17 de 35

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 18 de 35

1

Which bond is a peptide bond?

Selecione uma das seguintes:

A
B
C
D
E

Explicação

Questão 19 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 20 de 35

1

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

Selecione uma das seguintes:

hydrophobic interactions
disulfide bonds
ionic bonds
hydrogen bonds
peptide bonds

Explicação

Questão 21 de 35

1

The tertiary structure of a protein is the

Selecione uma das seguintes:

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.

Explicação

Questão 22 de 35

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 23 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 24 de 35

1

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

Selecione uma das seguintes:

1
5
6
12
14

Explicação

Questão 25 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 26 de 35

1

Which molecule is glycerol?

Selecione uma das seguintes:

1
6
10
14
15

Explicação

Questão 27 de 35

1

Which molecule is a saturated fatty acid?

Selecione uma das seguintes:

1
5
6
8
9

Explicação

Questão 28 de 35

1

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

Selecione uma das seguintes:

2
3
5
12
13

Explicação

Questão 29 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 30 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 31 de 35

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 32 de 35

1

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

Selecione uma das seguintes:

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

Explicação

Questão 33 de 35

1

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

Selecione uma das seguintes:

4
6
12
13
15

Explicação

Questão 34 de 35

1

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

Selecione uma das seguintes:

2
5
7
9
11

Explicação

Questão 35 de 35

1

Which of the following statements is false?

Selecione uma das seguintes:

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.

	Criado por Brooke Nyenhuis mais de 6 anos atrás

Quiz sobre AP Bio Chapter 3, criado por Brooke Nyenhuis em 01-11-2017.

AP Bio Chapter 3

Questão 1 de 35

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

Selecione uma das seguintes:

Explicação

Questão 2 de 35

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

Selecione uma das seguintes:

Explicação

Questão 3 de 35

All of the following are polysaccharides except

Selecione uma das seguintes:

Explicação

Questão 4 de 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?

Selecione uma das seguintes:

Explicação

Questão 5 de 35

All of the following contain amino acids except

Selecione uma das seguintes:

Explicação

Questão 6 de 35

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

Selecione uma das seguintes:

Explicação

Questão 7 de 35

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

Selecione uma das seguintes:

Explicação

Questão 8 de 35

The element present in all organic molecules is

Selecione uma das seguintes:

Explicação

Questão 9 de 35

The experimental approach taken in current biological investigations presumes that

Selecione uma das seguintes:

Explicação

Questão 10 de 35

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

Selecione uma das seguintes:

Explicação

Questão 11 de 35

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

Selecione uma das seguintes:

Explicação

Questão 12 de 35

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

Selecione uma das seguintes:

Explicação

Questão 13 de 35

Which of these molecules is not formed by dehydration reactions?

Selecione uma das seguintes:

Explicação

Questão 14 de 35

Which of the following is not a polymer?

Selecione uma das seguintes:

Explicação

Questão 15 de 35

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

Selecione uma das seguintes:

Explicação

Questão 16 de 35

Which of the following is true of cellulose?

Selecione uma das seguintes:

Explicação

Questão 17 de 35

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

Selecione uma das seguintes:

Explicação

Questão 18 de 35

Which bond is a peptide bond?

Selecione uma das seguintes:

Explicação

Questão 19 de 35

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

Selecione uma das seguintes:

Explicação

Questão 20 de 35

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