Question 1

Which of the following is a pyrimidine base?

Accepted Answer

A) guanine 
B) adenine 
C) thymine 
D) triethylamine 
A) guanine 
B) adenine 
C) thymine 
D) triethylamine

Question 2

MATCH each of the following terms to a structure from the list below. There is only one correct answer for each question and structures may be used more than once. Place the letter of the structure in the blank to the left of the corresponding term.
-_____ is a pyrimidine nucleoside.

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

Question 3

Relative to the secondary structure of DNA, the purine and pyrimidine bases lie inside the helix, in planes perpendicular to the helical axis; the deoxyribose and phosphate groups form the outside of the helix.

Accepted Answer

A) True 
 B)False

Question 4

A three base sequence called a "codon" codes for one _______________.

Accepted Answer

The answer of A three base sequence called a "codon"...

Question 5

MATCH each of the following terms to a structure from the list below. There is only one correct answer for each question and structures may be used more than once. Place the letter of the structure in the blank to the left of the corresponding term.
-_____ is a pyrimidine nucleoside.

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

Question 6

Relative to the secondary structure of DNA, the helices are left handed and the two strands run in same directions relative to their 3'and 5' ends.

Accepted Answer

A) True 
 B)False

Question 7

Provide the structure of adenosine, a nucleoside.

Accepted Answer

The answer of Provide the structure of adenosine, a nucleoside....

Question 8

How many bases are present in each strand of a complete turn of B-DNA?

Accepted Answer

A) 3 
B) 7 
C) 10 
D) 15 
A) 3 
B) 7 
C) 10 
D) 15

Question 9

Which of the following is 2-deoxy-D-ribose?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 10

Which of the following is D-ribose?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 11

Which of the following is a definition of transfer RNA (tRNA)?

Accepted Answer

A) RNA found in the ribosome, the site in cells where synthesis of proteins takes place 
B) RNA which carries a specific amino acid to the site of protein synthesis 
C) RNA which has coded genetic information 
D) RNA which allows transfer of a protein out of a cell 
A) RNA found in the ribosome, the site in cells where synthesis of proteins takes place 
B) RNA which carries a specific amino acid to the site of protein synthesis 
C) RNA which has coded genetic information 
D) RNA which allows transfer of a protein out of a cell

Question 12

The name of the base in the following nucleotide is __________________.

Accepted Answer

The answer of The name of the base in the...

Question 13

What is the approximate length of a complete turn of a double helix of DNA?

Accepted Answer

A) 340 pm 
B) 800 pm 
C) 2000 pm 
D) 3400 pm 
A) 340 pm 
B) 800 pm 
C) 2000 pm 
D) 3400 pm

Question 14

Where is the amino acid linked to the ribose unit of transfer RNA in the process of transferring the amino acid to ribosomes?

Accepted Answer

A) the base 
B) C2'-OH 
C) 3'-OH 
D) 5'-OH 
A) the base 
B) C2'-OH 
C) 3'-OH 
D) 5'-OH

Question 15

A double-stranded DNA molecule that contains 22%, on a mole basis, T must also contain ___% G.

Accepted Answer

The answer of A double-stranded DNA molecule that contains 22%,...

Question 16

Which of the following is a definition of messenger RNA (mRNA)?

Accepted Answer

A) RNA found in the ribosome, the site in cells where synthesis of proteins takes place 
B) RNA which carries a specific amino acid to the site of protein synthesis 
C) RNA which has coded genetic information 
D) RNA which signals cell death 
A) RNA found in the ribosome, the site in cells where synthesis of proteins takes place 
B) RNA which carries a specific amino acid to the site of protein synthesis 
C) RNA which has coded genetic information 
D) RNA which signals cell death

Question 17

MATCH each of the following terms to a structure from the list below. There is only one correct answer for each question and structures may be used more than once. Place the letter of the structure in the blank to the left of the corresponding term.
-_____ is a DNA base sequence with cytosine at the 3' end.

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

Question 18

The G-C base pair is the weaker than the A-T base pair as it has two hydrogen bonds whereas the A-T base pair has three.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is a definition of a codon?

Accepted Answer

A) a complimentary pair of hydrogen bonded bases in RNA 
B) a sequence of three bases on RNA that directs incorporation of a specific amino acid into a protein 
C) a complex between DNA and RNA 
D) RNA found in the ribosome, the site in cells where synthesis of proteins takes place 
A) a complimentary pair of hydrogen bonded bases in RNA 
B) a sequence of three bases on RNA that directs incorporation of a specific amino acid into a protein 
C) a complex between DNA and RNA 
D) RNA found in the ribosome, the site in cells where synthesis of proteins takes place

Question 20

The following structures is a pyrimidine.

Accepted Answer

A) True 
 B)False

Exam 28: Nucleic Acids

Which of the following is a pyrimidine base?

MATCH each of the following terms to a structure from the list below. There is only one correct answer for each question and structures may be used more than once. Place the letter of the structure in the blank to the left of the corresponding term. -_____ is a pyrimidine nucleoside.

Relative to the secondary structure of DNA, the purine and pyrimidine bases lie inside the helix, in planes perpendicular to the helical axis; the deoxyribose and phosphate groups form the outside of the helix.

A three base sequence called a "codon" codes for one _______________.

MATCH each of the following terms to a structure from the list below. There is only one correct answer for each question and structures may be used more than once. Place the letter of the structure in the blank to the left of the corresponding term. -_____ is a pyrimidine nucleoside.

Relative to the secondary structure of DNA, the helices are left handed and the two strands run in same directions relative to their 3'and 5' ends.

Provide the structure of adenosine, a nucleoside.

How many bases are present in each strand of a complete turn of B-DNA?

Which of the following is 2-deoxy-D-ribose?

Which of the following is D-ribose?

Which of the following is a definition of transfer RNA (tRNA)?

The name of the base in the following nucleotide is __________________.

What is the approximate length of a complete turn of a double helix of DNA?

Where is the amino acid linked to the ribose unit of transfer RNA in the process of transferring the amino acid to ribosomes?

A double-stranded DNA molecule that contains 22%, on a mole basis, T must also contain ___% G.

Which of the following is a definition of messenger RNA (mRNA)?

The G-C base pair is the weaker than the A-T base pair as it has two hydrogen bonds whereas the A-T base pair has three.

Which of the following is a definition of a codon?

The following structures is a pyrimidine.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Organic Polymer Chemistry

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