Question 1

During the process of transcription,the information in

Accepted Answer

A)  RNA is converted into DNA information.
B)  RNA is converted into protein information.
C)  DNA is converted into RNA information.
D)  protein is converted into RNA information.
E)  DNA is converted into protein information.F) C) and E)
G) A) and C)

Question 2

Although DNA replication of one cell involves billions of nucleotides,why is this process so accurate?

Accepted Answer

A)  DNA primers can replace any mistakes in base-pairing
B)  RNA polymerase corrects any mistakes before doing RNA transcription
C)  Unwinding the double helix would remove any mistakes in base-pairing.
D)  DNA polymerase proofreads and corrects mistakes in base-pairing.
E)  Semiconservative replication means that the process is very careful and conservativE.F) A) and E)
G) C) and E)

Question 3

The X-ray diffraction of Rosalind Franklin and Maurice Wilkins was critical evidence

Accepted Answer

A)  that indicated that DNA has a double helix structure.
B)  that showed that the bases of DNA are held together by hydrogen bonds.
C)  that showed that there was an equal numbers of purines and pyrimidines in DNA.
D)  that showed the location of each adenine,guanine,cytosine,and thymine.
E)  that revealed the structure of deoxyribose sugar.F) C) and E)
G) B) and D)

Question 4

Which statement would have to be changed if found in a Biology textbook?

Accepted Answer

A)  They can cause point mutations.
B)  They can cause deletions and translocations.
C)  They can block transcription.
D)  They can cause frameshift mutations.
E)  They contain antibiotic-resistance genes.F) All of the above
G) B) and D) A

Question 5

What type of mutation changes the base of a single DNA nucleotide,which then causes a change in a specific codon?

Accepted Answer

A)  translocation mutation
B)  frameshift mutation
C)  point mutation
D)  polymerase mutation
E)  transposon mutationF) D) and E)
G) A) and E)

Question 6

Figure: 
-In this figure showing DNA replication,what does "E" represent?

Accepted Answer

A)  the parental DNA region
B)  the new strand
C)  the replication region
D)  the template strand
E)  the completed DNA regionF) A) and B)
G) A) and C)

Question 7

Which enzyme is responsible for building the mRNA transcript from individual nucleotides?

Accepted Answer

A)  ligase
B)  RNA polymerase
C)  ribozymes
D)  helicase
E)  DNA polymeraseF) C) and E)
G) A) and B) B

Question 8

In semiconservative DNA replication,each new double helix formed will have

Accepted Answer

A)  three new strands in one helix and three old strands in the second helix.
B)  one new strand and one old strand in each helix.
C)  two new strands and two old strands in each helix.
D)  two new and one old strand in one helix and two old and one new in the second helix.
E)  only new strands in each helix.F) A) and E)
G) All of the above

Question 9

What is the error rate in the DNA replication process,for eukaryotes?

Accepted Answer

A)  one in 1 billion nucleotides
B)  one in 1 hundred nuclotides
C)  one in 1 thousand nucleotides
D)  one in 10,000 nucleotides
E)  one in 1 million nucleotidesF) A) and E)
G) C) and D)

Question 10

What process results in the assembly of a protein chain?

Accepted Answer

A)  replication
B)  translation
C)  translocation
D)  mutation
E)  transcriptionF) A) and C)
G) C) and D)

Question 11

Movable genetic elements are referred to as

Accepted Answer

A)  frameshift mutations
B)  point mutations
C)  transcription elements
D)  translocation elements
E)  transposonsF) C) and E)
G) C) and D)

Question 12

The step which brings all the translation elements together is referred to as

Accepted Answer

A)  elongation.
B)  initiation.
C)  replication.
D)  translocation.
E)  transcription.F) D) and E)
G) A) and E)

Question 13

Which statement,if true,would lead to serious problems in DNA replication?

Accepted Answer

A)  Unwinding of the DNA molecules occurs as hydrogen bonds break.
B)  The process is known as semiconservative replication because one old strand is conserved in the new molecule.
C)  Replication occurs as each base is paired with another exactly like it.
D)  Complementary base pairs are held together with hydrogen bonds.
E)  The enzyme that catalyzes DNA replication is DNA polymerasE.F) None of the above
G) A) and E)

Question 14

During the process of translation,the information in

Accepted Answer

A)  DNA is converted into RNA information.
B)  RNA is converted into protein information.
C)  DNA is converted into protein information.
D)  protein is converted into RNA information.
E)  RNA is converted into DNA information.F) A) and B)
G) A) and C)

Question 15

Initiation,elongation,and termination are three stages in

Accepted Answer

A)  DNA replication.
B)  codon-anticodon formation.
C)  mRNA transcription.
D)  error correction by proofreading enzymes.
E)  polypeptide synthesis.F) B) and C)
G) C) and D)

Question 16

The DNA sequences of a gene that do not code for amino acids in a protein are called

Accepted Answer

A)  promoters.
B)  introns.
C)  transposons.
D)  inducers.
E)  exons.F) A) and B)
G) C) and E)

Question 17

Which nucleotide is found in RNA rather than DNA?

Accepted Answer

A)  thymine
B)  adenine
C)  uracil
D)  cytosine
E)  guanineF) B) and C)
G) A) and C)

Question 18

How many DNA bases are in each codon?

Accepted Answer

A)  3
B)  16
C)  4
D)  20
E)  64F) A) and B)
G) B) and E) A

Question 19

Which process in translation is the movement of the ribosome,such that the tRNA at the A site moves to the P site?

Accepted Answer

A)  initiation.
B)  translocation.
C)  replication.
D)  transcription.
E)  mutation.F) A) and B)
G) A) and C)

Question 20

The enzyme that is used to join successive DNA nucleotides together is which?

Accepted Answer

A)  DNA polymerase
B)  Lipase
C)  RNA polymerase
D)  Ribozyme
E)  HelicaseF) C) and D)
G) B) and E)

Exam 11: Molecular Biology of Inheritance

During the process of transcription,the information in

Correct AnswerverifiedShow Answer

Although DNA replication of one cell involves billions of nucleotides,why is this process so accurate?

Correct AnswerverifiedShow Answer

The X-ray diffraction of Rosalind Franklin and Maurice Wilkins was critical evidence

Correct AnswerverifiedShow Answer

Which statement would have to be changed if found in a Biology textbook?

Correct AnswerverifiedA

What type of mutation changes the base of a single DNA nucleotide,which then causes a change in a specific codon?

Correct AnswerverifiedShow Answer

Figure: -In this figure showing DNA replication,what does "E" represent?

Correct AnswerverifiedShow Answer

Which enzyme is responsible for building the mRNA transcript from individual nucleotides?

Correct AnswerverifiedB

In semiconservative DNA replication,each new double helix formed will have

Correct AnswerverifiedShow Answer

What is the error rate in the DNA replication process,for eukaryotes?

Correct AnswerverifiedShow Answer

What process results in the assembly of a protein chain?

Correct AnswerverifiedShow Answer

Movable genetic elements are referred to as

Correct AnswerverifiedShow Answer

The step which brings all the translation elements together is referred to as

Correct AnswerverifiedShow Answer

Which statement,if true,would lead to serious problems in DNA replication?

Correct AnswerverifiedShow Answer

During the process of translation,the information in

Correct AnswerverifiedShow Answer

Initiation,elongation,and termination are three stages in

Correct AnswerverifiedShow Answer

The DNA sequences of a gene that do not code for amino acids in a protein are called

Correct AnswerverifiedShow Answer

Which nucleotide is found in RNA rather than DNA?

Correct AnswerverifiedShow Answer

How many DNA bases are in each codon?

Correct AnswerverifiedA

Which process in translation is the movement of the ribosome,such that the tRNA at the A site moves to the P site?

Correct AnswerverifiedShow Answer

The enzyme that is used to join successive DNA nucleotides together is which?

Correct AnswerverifiedShow Answer

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A

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