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


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

E) B) and C)
F) A) and D)

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Provide the structure of adenosine, a nucleoside.

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Which of the following is a definition of a codon?


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

E) None of the above
F) All of the above

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


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

E) A) and B)
F) B) and D)

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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.


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

N) I) and M)
O) A) and E)

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

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


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

E) All of the above
F) B) and C)

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Which of the following is 2-deoxy-D-ribose? Which of the following is 2-deoxy-D-ribose? A) 1 B) 2 C) 3 D) 4


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

E) All of the above
F) None of the above

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Which of the following is D-ribose? Which of the following is D-ribose? A) 1 B) 2 C) 3 D) 4


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

E) A) and D)
F) B) and D)

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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.

A) True
B) False

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Which of the following is a pyrimidine base?


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

E) A) and B)
F) C) and D)

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

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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.


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

N) C) and J)
O) B) and H)

Correct Answer

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

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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.

A) True
B) False

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


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

E) B) and C)
F) All of the above

Correct Answer

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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.


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

N) A) and E)
O) B) and F)

Correct Answer

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


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

E) All of the above
F) A) and C)

Correct Answer

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The following structures is a pyrimidine. The following structures is a pyrimidine.

A) True
B) False

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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) True
B) False

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