Question 1

The function(s) of DNA polymerase includes

Accepted Answer

A)  DNA synthesis
B)  DNA proofreading
C)  removes RNA primers and fills in the gaps
D)  DNA synthesis and proofreading
E)  DNA synthesis,DNA proofreading,and removes RNA primers and fills in the gaps

Question 2

If the sequence for one strand of DNA is 3'-TCGATT-5' then its complementary strand would have a sequence of 3'-AGCTAA-5'.

Accepted Answer

A) True 
 B)False

Question 3

Which is FALSE when comparing RNA and DNA?

Accepted Answer

A)  Both are produced by phosphodiester linkages.
B)  Both are composed of phosphate groups.
C)  Both are composed of sugars.
D)  Both are composed of identical nucleotides.
E)  Both are composed of a phosphate group,a pentose sugar,and a nitrogenous basE.

Question 4

Which function of genetic material accounts for the appropriate expression of proteins?

Accepted Answer

A)  Information storage
B)  Ability to replicate
C)  Transmission to the next generation
D)  Ability to replicate and transmission to the next generation
E)  Production of variation within and between species

Question 5

Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template.What DNA sequence is produced from an RNA molecule with the sequence 5'AUUGACGGU3'?

Accepted Answer

A)  3'UAACUGCCA5'
B)  5'TTTCTGCCT3'
C)  3'TAACTGCCA5'
D)  5'ATTCAGCCT3'
E)  3'TUUCTGCCU5'

Question 6

Some bacteria have been found to have much higher rates of mutation than other members of their populations;they are termed "mutators." What do you think is the reason for their faster rates of mutation?

Accepted Answer

A)  They have much smaller genomes than regular bacteriA.
B)  They are much better at bacterial transformation than regular bacteria.
C)  They are incapable of bacterial transformation.
D)  Their DNA polymerase has compromised 3' to 5' proofreading function.
E)  Their DNA polymerase has compromised 5' to 3' polymerase function.

Question 7

Which function of genetic material accounts for high level protection,such as multiple DNA repair mechanisms and storage within the double membrane of the nucleus,that is afforded to eukaryotic cells?

Accepted Answer

A)  Information storage
B)  Ability to replicate
C)  Transmission to the next generation
D)  Ability to replicate and transmission to the next generation
E)  Production of variation within and between species

Question 8

What is NOT a protein involved in DNA replication?

Accepted Answer

A)  replication fork
B)  single-stranded binding proteins
C)  DNA ligase
D)  topoisomerase
E)  helicase

Question 9

Which molecule catalyzes covalent bond formation between fragments of DNA.

Accepted Answer

A)  helicase
B)  ligase
C)  polymerase
D)  primase
E)  nuclease

Question 10

Which scientist is incorrectly matched with their discovery?

Accepted Answer

A)  Watson,Crick,Wilkins,and Franklin..........DNA structure
B)  Avery,MacLeod,and McCarty..........DNA is the genetic material
C)  Meselson and Stahl..........mechanism of DNA replication
D)  Griffith..........chromosomes
E)  Gierer and Schramm..........viral genome can be RNA

Question 11

The mechanism of DNA replication is

Accepted Answer

A)  conservative.
B)  intermediate.
C)  semiconservative.
D)  dispersive.
E)  complementary.

Question 12

Type S Streptococcus pneumoniae bacterium is lethal and will kill its host.If heat inactivated the S strain dies and becomes nonlethal.Type R Streptococcus pneumoniae is a nonvirulent strain of bacteria.What would occur if one were to inject both the R strain and heat-killed S strains into a host organism such as the mouse?

Accepted Answer

A)  The S strain would be transformed into the nonvirulent R strain and kill the host.
B)  The R strain would be transformed into the virulent S strain and kill the host.
C)  The S strain would be transformed into the nonvirulent R strain and not affect the host.
D)  The R strain would be transformed into the virulent S strain and not affect the host.
E)  Neither the S nor the R strain would changE.

Question 13

Which function of genetic material accounts for hemoglobin proteins to be expressed in blood (bone marrow) and myoglobin proteins to be expressed in muscle tissue?

Accepted Answer

A)  Information storage
B)  Ability to replicate
C)  Transmission to the next generation
D)  Ability to replicate and transmission to the next generation
E)  Production of variation within and between species

Exam 9: Nucleic Acid Structure, DNA Replication, and Chromosome Structure

The function(s) of DNA polymerase includes

Correct Answer
verified

Which is FALSE when comparing RNA and DNA?

Correct Answer
verified

Some bacteria have been found to have much higher rates of mutation than other members of their populations;they are termed "mutators." What do you think is the reason for their faster rates of mutation?

Correct Answer
verified

Correct Answer
verified

Which scientist is incorrectly matched with their discovery?

Correct Answer
verified

The mechanism of DNA replication is

Correct Answer
verified

What is NOT a protein involved in DNA replication?

Correct Answer
verified

Which function of genetic material accounts for hemoglobin proteins to be expressed in blood (bone marrow) and myoglobin proteins to be expressed in muscle tissue?

Correct Answer
verified

Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template.What DNA sequence is produced from an RNA molecule with the sequence 5'AUUGACGGU3'?

Correct Answer
verified

Which function of genetic material accounts for high level protection,such as multiple DNA repair mechanisms and storage within the double membrane of the nucleus,that is afforded to eukaryotic cells?

Correct Answer
verified

Which molecule catalyzes covalent bond formation between fragments of DNA.

Correct Answer
verified

If the sequence for one strand of DNA is 3'-TCGATT-5' then its complementary strand would have a sequence of 3'-AGCTAA-5'.

Correct Answer
verified

Which function of genetic material accounts for the appropriate expression of proteins?

Correct Answer
verified

Exam 9: Nucleic Acid Structure, DNA Replication, and Chromosome Structure

The function(s) of DNA polymerase includes

Correct AnswerverifiedShow Answer

Which is FALSE when comparing RNA and DNA?

Correct AnswerverifiedShow Answer

Some bacteria have been found to have much higher rates of mutation than other members of their populations;they are termed "mutators." What do you think is the reason for their faster rates of mutation?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which scientist is incorrectly matched with their discovery?

Correct AnswerverifiedShow Answer

The mechanism of DNA replication is

Correct AnswerverifiedShow Answer

What is NOT a protein involved in DNA replication?

Correct AnswerverifiedShow Answer

Which function of genetic material accounts for hemoglobin proteins to be expressed in blood (bone marrow) and myoglobin proteins to be expressed in muscle tissue?

Correct AnswerverifiedShow Answer

Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template.What DNA sequence is produced from an RNA molecule with the sequence 5'AUUGACGGU3'?

Correct AnswerverifiedShow Answer

Which function of genetic material accounts for high level protection,such as multiple DNA repair mechanisms and storage within the double membrane of the nucleus,that is afforded to eukaryotic cells?

Correct AnswerverifiedShow Answer

Which molecule catalyzes covalent bond formation between fragments of DNA.

Correct AnswerverifiedShow Answer

If the sequence for one strand of DNA is 3'-TCGATT-5' then its complementary strand would have a sequence of 3'-AGCTAA-5'.

Correct AnswerverifiedShow Answer

Which function of genetic material accounts for the appropriate expression of proteins?

Correct AnswerverifiedShow Answer

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