Question 1

Combining DNA from two or more sources produces ___.

Accepted Answer

A)  recombinant DNA 
B)  .gene expression 
C)  an operon 
D)  mutation 
A)  recombinant DNA 
B)  .gene expression 
C)  an operon 
D)  mutation

Question 2

A codon is

Accepted Answer

A)  a code that is used to assemble long chains of amino acids. 
B)  the coded information carried on the DNA molecule which starts a new protein. 
C)  a set of 3 bases that call for a specific amino acid. 
D)  the special code of bases that cannot have more than one meaning. 
A)  a code that is used to assemble long chains of amino acids. 
B)  the coded information carried on the DNA molecule which starts a new protein. 
C)  a set of 3 bases that call for a specific amino acid. 
D)  the special code of bases that cannot have more than one meaning.

Question 3

DNA and RNA

Accepted Answer

A)  differ in both their monosaccharide and nitrogen base components. 
B)  contain the same nitrogen bases, but different monosaccharides. 
C)  have the same composition, except for the monosaccharides. 
D)  are both produced by animals, but RNA is not produced by plants. 
A)  differ in both their monosaccharide and nitrogen base components. 
B)  contain the same nitrogen bases, but different monosaccharides. 
C)  have the same composition, except for the monosaccharides. 
D)  are both produced by animals, but RNA is not produced by plants.

Question 4

The C-1 of a ribose is linked to purine bases by

Accepted Answer

A)  an ester bond. 
B)  an $\alpha$-glycosidic bond. 
C)  a phosphate anhydride bond. 
D)  a $\beta$-N-glycosidic bond. 
A)  an ester bond. 
B)  an $\alpha$-glycosidic bond. 
C)  a phosphate anhydride bond. 
D)  a $\beta$-N-glycosidic bond.

Question 5

Matching
-The opposite directions run by two strands of DNA double helix

Accepted Answer

A)  recombinant DNA 
B)  Replication 
C)  polymerase chain reaction 
D)  Anticodon 
E)  Uracil
F) thymine
G) transcription
H) Codon
I) Mutation
J) antiparallel
K) tRNA
L) translation 
A)  recombinant DNA 
B)  Replication 
C)  polymerase chain reaction 
D)  Anticodon 
E)  Uracil
F) thymine
G) transcription
H) Codon
I) Mutation
J) antiparallel
K) tRNA
L) translation

Question 6

Transgenic goats have had human genes inserted into their DNA that code for the production of which of following serum protein anticoagulants?

Accepted Answer

A)  thrombin 
B)  hemoglobin 
C)  antithrombin 
D)  insulin 
A)  thrombin 
B)  hemoglobin 
C)  antithrombin 
D)  insulin

Question 7

The following molecule is

Accepted Answer

A)  adenosine 5'-monophosphate (AMP) 
B)  adenosine 5'-triphosphate (ATP) 
C)  deoxythymidine 5' -monophosphate (dTMP) 
D)  guanosine 5' -triphosphate (GTP) 
A)  adenosine 5'-monophosphate (AMP) 
B)  adenosine 5'-triphosphate (ATP) 
C)  deoxythymidine 5' -monophosphate (dTMP) 
D)  guanosine 5' -triphosphate (GTP)

Question 8

The process by which information in an RNA molecule is read so that a specific protein can be produced is ___.

Accepted Answer

The answer of The process by which information in an...

Question 9

Which of the following determines the primary structure of both DNA and RNA?

Accepted Answer

A)  the sequence of sugar molecules 
B)  complimentary base pairing 
C)  coiling of the helices into a tight, compact shape 
D)  the sequence of nucleotide residues 
A)  the sequence of sugar molecules 
B)  complimentary base pairing 
C)  coiling of the helices into a tight, compact shape 
D)  the sequence of nucleotide residues

Question 10

DNA polymerase is an enzyme involved in which process?

Accepted Answer

A)  replication 
B)  transcription 
C)  translation 
D)  reverse transcription 
A)  replication 
B)  transcription 
C)  translation 
D)  reverse transcription

Question 11

The ___ structure of a nucleic acid is the sequence of nucleotides.

Accepted Answer

The answer of The ___ structure of a nucleic acid...

Question 12

The function of RNA polymerase is to

Accepted Answer

A)  cause the RNA molecule to increase in length during protein production. 
B)  cause the RNA molecule to coil into a shape that helps in DNA replication. 
C)  disrupt the double helix by isolating one strand from the other. 
D)  synthesize an RNA molecule that remains attached to the DNA. 
A)  cause the RNA molecule to increase in length during protein production. 
B)  cause the RNA molecule to coil into a shape that helps in DNA replication. 
C)  disrupt the double helix by isolating one strand from the other. 
D)  synthesize an RNA molecule that remains attached to the DNA.

Question 13

Polynucleotides have definite 5' and 3' ends (terminus).

Accepted Answer

A) True 
 B)False

Question 14

In the double strand of DNA, the sugar-phosphate backbones with their negatively charged phosphate groups are on the inside and the bases are on the outside.

Accepted Answer

A) True 
 B)False

Question 15

Matching
-Protein synthesis

Accepted Answer

A)  recombinant DNA 
B)  Replication 
C)  polymerase chain reaction 
D)  Anticodon 
E)  Uracil
F) thymine
G) transcription
H) Codon
I) Mutation
J) antiparallel
K) tRNA
L) translation 
A)  recombinant DNA 
B)  Replication 
C)  polymerase chain reaction 
D)  Anticodon 
E)  Uracil
F) thymine
G) transcription
H) Codon
I) Mutation
J) antiparallel
K) tRNA
L) translation

Question 16

Which of the following determines the secondary structure of DNA?

Accepted Answer

A)  the sequence of sugar molecules 
B)  complimentary base pairing 
C)  coiling of the helices into a tight, compact shape 
D)  the sequence of nucleotide residues 
A)  the sequence of sugar molecules 
B)  complimentary base pairing 
C)  coiling of the helices into a tight, compact shape 
D)  the sequence of nucleotide residues

Question 17

A monosaccharide incorporated in a nucleic acid is ___.

Accepted Answer

A)  $\beta$-deoxyribose 
B)  2-deoxyribose 
C)  $\beta$-glucose 
D)  N-glycosidose 
A)  $\beta$-deoxyribose 
B)  2-deoxyribose 
C)  $\beta$-glucose 
D)  N-glycosidose

Question 18

Among the mechanisms Escherichia coli has for the control of $\beta$-galactosidase production is

Accepted Answer

A)  that the combination of cAMP and CAP restricts the ability of RNA polymerase to function. 
B)  the presence of the lac operon necessary for the production of the enzyme to be halted reducing overproduction. 
C)  that glucose must be absent and galactose present for the production to begin. 
D)  that the speed with which the enzyme is produced is accelerated by the presence of both galactose and glucose. 
A)  that the combination of cAMP and CAP restricts the ability of RNA polymerase to function. 
B)  the presence of the lac operon necessary for the production of the enzyme to be halted reducing overproduction. 
C)  that glucose must be absent and galactose present for the production to begin. 
D)  that the speed with which the enzyme is produced is accelerated by the presence of both galactose and glucose.

Question 19

When recombinant DNA is inserted into bacteria,

Accepted Answer

A)  the bacteria no longer produce their own proteins and are very short lived. 
B)  the metabolism of the bacteria is not affected. 
C)  both the bacterial proteins and the new protein are produced. 
D)  the protein produced is exactly the same as if it were produced by the original cells. 
A)  the bacteria no longer produce their own proteins and are very short lived. 
B)  the metabolism of the bacteria is not affected. 
C)  both the bacterial proteins and the new protein are produced. 
D)  the protein produced is exactly the same as if it were produced by the original cells.

Question 20

The ___ is the portion of the tRNA molecule that makes certain the correct amino acid is selected.

Accepted Answer

The answer of The ___ is the portion of the...

Combining DNA from two or more sources produces ___.

A codon is

DNA and RNA

The C-1 of a ribose is linked to purine bases by

Matching -The opposite directions run by two strands of DNA double helix

Transgenic goats have had human genes inserted into their DNA that code for the production of which of following serum protein anticoagulants?

The following molecule is

The process by which information in an RNA molecule is read so that a specific protein can be produced is ___.

Which of the following determines the primary structure of both DNA and RNA?

DNA polymerase is an enzyme involved in which process?

The ___ structure of a nucleic acid is the sequence of nucleotides.

The function of RNA polymerase is to

Polynucleotides have definite 5' and 3' ends (terminus).

In the double strand of DNA, the sugar-phosphate backbones with their negatively charged phosphate groups are on the inside and the bases are on the outside.

Matching -Protein synthesis

Which of the following determines the secondary structure of DNA?

A monosaccharide incorporated in a nucleic acid is ___.

Among the mechanisms Escherichia coli has for the control of $\beta$ -galactosidase production is

When recombinant DNA is inserted into bacteria,

The ___ is the portion of the tRNA molecule that makes certain the correct amino acid is selected.

Science and Measurements

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Reactions

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Metabolism

Filters

Exam 13: Nucleic Acids

Combining DNA from two or more sources produces ___.

A codon is

DNA and RNA

The C-1 of a ribose is linked to purine bases by

Matching -The opposite directions run by two strands of DNA double helix

Transgenic goats have had human genes inserted into their DNA that code for the production of which of following serum protein anticoagulants?

The following molecule is

The process by which information in an RNA molecule is read so that a specific protein can be produced is ___.

Which of the following determines the primary structure of both DNA and RNA?

DNA polymerase is an enzyme involved in which process?

The ___ structure of a nucleic acid is the sequence of nucleotides.

The function of RNA polymerase is to

Polynucleotides have definite 5' and 3' ends (terminus).

In the double strand of DNA, the sugar-phosphate backbones with their negatively charged phosphate groups are on the inside and the bases are on the outside.

Matching -Protein synthesis

Which of the following determines the secondary structure of DNA?

A monosaccharide incorporated in a nucleic acid is ___.

Among the mechanisms Escherichia coli has for the control of β\betaβ -galactosidase production is

When recombinant DNA is inserted into bacteria,

The ___ is the portion of the tRNA molecule that makes certain the correct amino acid is selected.

Science and Measurements

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Reactions

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Metabolism

Filters

Among the mechanisms Escherichia coli has for the control of $\beta$ -galactosidase production is