Question 1

The most commonly used technique for making large numbers of copies of DNA is _____.

Accepted Answer

A)  polymerase chain reaction 
B)  dideoxy sequencing 
C)  restriction digestion 
D)  genetic engineering 
E)  site-directed mutagenesis 
A)  polymerase chain reaction 
B)  dideoxy sequencing 
C)  restriction digestion 
D)  genetic engineering 
E)  site-directed mutagenesis

Question 2

This is the structure of adenine. 
   
a. Is adenine a purine or a pyrimidine? 
b. Which base does adenine base-pair (H-bond) with in DNA? 
c. What is the name of the molecule that is composed of adenine linked to the C-1ꞌ of ribose? 
d. Indicate on the drawing through which atom adenine is connected to ribose or deoxyribose.
e. Indicate on the drawing which groups on adenine are involved in base-pairing or H-bonding with its complementary base.

Accepted Answer

a. purine
b. thymine

Question 3

An E. coli has _____ replication fork(s) on its single chromosome; humans have _____ replication fork(s) on each chromosome.

Accepted Answer

A)  1; 1 
B)  1; 2 
C)  2; 2 
D)  2; many 
E)  many; many 
A)  1; 1 
B)  1; 2 
C)  2; 2 
D)  2; many 
E)  many; many

Question 4

The pyrimidine found in both DNA and RNA is _____. The pyrimidine found only in DNA is _____, and the pyrimidine found only in RNA is _____.

Accepted Answer

1: cytosin

Question 5

Which of the following bases is not present in RNA?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

Which of the following best describes a new strand of DNA relative to the template strand used to synthesize it?

Accepted Answer

A)  an exact duplicate of the template 
B)  a negative copy of the template 
C)  a palindromic copy of the template 
D)  an exact copy of the template but with the 3'and 5' ends reversed 
E)  none of the above 
A)  an exact duplicate of the template 
B)  a negative copy of the template 
C)  a palindromic copy of the template 
D)  an exact copy of the template but with the 3'and 5' ends reversed 
E)  none of the above

Question 7

Which of the following correctly describes the B-DNA double helix?

Accepted Answer

A)  antiparallel strands 
B)  right-handed helix 
C)  base pairs are located in the center of the helix 
D)  one helical rotation has a rise of 3.4 nm 
E)  all of the above 
A)  antiparallel strands 
B)  right-handed helix 
C)  base pairs are located in the center of the helix 
D)  one helical rotation has a rise of 3.4 nm 
E)  all of the above

Question 8

What type of bond is made between nucleotides?

Accepted Answer

A)  ester 
B)  phosphoester 
C)  phosphodiester 
D)  glycosidic 
E)  none of the above 
A)  ester 
B)  phosphoester 
C)  phosphodiester 
D)  glycosidic 
E)  none of the above

Question 9

The replication of DNA is made possible by the presence of _____ strands in the double helix of DNA.

Accepted Answer

A)  antiparallel 
B)  hydrogen-bonded 
C)  complementary 
D)  genomic 
E)  none of the above 
A)  antiparallel 
B)  hydrogen-bonded 
C)  complementary 
D)  genomic 
E)  none of the above

Question 10

What term describes the production of multiple identical organisms from a single ancestor?

Accepted Answer

A)  transcription 
B)  cloning 
C)  sequencing 
D)  phenotyping 
E)  ligation 
A)  transcription 
B)  cloning 
C)  sequencing 
D)  phenotyping 
E)  ligation

Question 11

Incorporation of which of the following would result in chain termination during sequencing of DNA?

Accepted Answer

A)  dATP 
B)  dCTP 
C)  ddTTP 
D)  dGTP 
E)  none of the above 
A)  dATP 
B)  dCTP 
C)  ddTTP 
D)  dGTP 
E)  none of the above

Question 12

Nucleotides contain one or more phosphate groups that are usually attached to the ______.

Accepted Answer

A)  C-3' or C-5' atoms 
B)  C-3 or C-3' atoms 
C)  C-5 or N-3 atoms 
D)  C-1' or N-3 atoms 
E)  none of the above 
A)  C-3' or C-5' atoms 
B)  C-3 or C-3' atoms 
C)  C-5 or N-3 atoms 
D)  C-1' or N-3 atoms 
E)  none of the above

The most commonly used technique for making large numbers of copies of DNA is _____.

An E. coli has _ replication fork(s) on its single chromosome; humans have _ replication fork(s) on each chromosome.

The pyrimidine found in both DNA and RNA is ___. The pyrimidine found only in DNA is _, and the pyrimidine found only in RNA is ___.

Which of the following bases is not present in RNA?

Which of the following best describes a new strand of DNA relative to the template strand used to synthesize it?

Which of the following correctly describes the B-DNA double helix?

What type of bond is made between nucleotides?

The replication of DNA is made possible by the presence of _____ strands in the double helix of DNA.

What term describes the production of multiple identical organisms from a single ancestor?

Incorporation of which of the following would result in chain termination during sequencing of DNA?

Nucleotides contain one or more phosphate groups that are usually attached to the ______.

The Chemical Foundations of Biochemistry

Proteins I

Proteins Iienzymes

Membranes and an Introduction to Signal Transduction

Carbohydrates I

The Common Catabolic Pathway

Carbohydrates II

Lipids I

Lipids II

Amine Metabolism

Metabolism Integration

Nucleotide Deoxynucleotide Metabolism

Dna Replication, Damage and Repair

Rna Synthesis

Protein

Control of Gene

Determination of Macromolecular Structure

Allosterism and Receptor-Ligand

Designer Proteins and Protein Folding

Biomolecule Purification

Bioinformatics and Omics

Signal

Protein Trafficking

Photosynthesis Nitrogen

Filters

Exam 2: Nucleic Acids

The most commonly used technique for making large numbers of copies of DNA is _____.

An E. coli has _____ replication fork(s) on its single chromosome; humans have _____ replication fork(s) on each chromosome.

The pyrimidine found in both DNA and RNA is _____. The pyrimidine found only in DNA is _____, and the pyrimidine found only in RNA is _____.

Which of the following bases is not present in RNA?

Which of the following best describes a new strand of DNA relative to the template strand used to synthesize it?

Which of the following correctly describes the B-DNA double helix?

What type of bond is made between nucleotides?

The replication of DNA is made possible by the presence of _____ strands in the double helix of DNA.

What term describes the production of multiple identical organisms from a single ancestor?

Incorporation of which of the following would result in chain termination during sequencing of DNA?

Nucleotides contain one or more phosphate groups that are usually attached to the ______.

The Chemical Foundations of Biochemistry

Proteins I

Proteins Iienzymes

Membranes and an Introduction to Signal Transduction

Carbohydrates I

The Common Catabolic Pathway

Carbohydrates II

Lipids I

Lipids II

Amine Metabolism

Metabolism Integration

Nucleotide Deoxynucleotide Metabolism

Dna Replication, Damage and Repair

Rna Synthesis

Protein

Control of Gene

Determination of Macromolecular Structure

Allosterism and Receptor-Ligand

Designer Proteins and Protein Folding

Biomolecule Purification

Bioinformatics and Omics

Signal

Protein Trafficking

Photosynthesis Nitrogen

Filters

An E. coli has _ replication fork(s) on its single chromosome; humans have _ replication fork(s) on each chromosome.

The pyrimidine found in both DNA and RNA is ___. The pyrimidine found only in DNA is _, and the pyrimidine found only in RNA is ___.