Question 1

The progressive shortening of telomeres in DNA correlates with cell senescence.

Accepted Answer

A) True 
 B)False

Question 2

________ attaches DNA sequences at the ends of eukaryotic chromosomes.

Accepted Answer

A)   Polymerase
B)   Ligase
C)   Telomerase
D)   Topoisomerase
E)   Primase C

Question 3

During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?

Accepted Answer

A)   a rapidly dividing Streptococcus bacterium
B)   a yeast cell
C)   a human
D)   a young oak tree
E)   a fruit fly A

Question 4

All of the following nucleotide bases are pyrimidines EXCEPT

Accepted Answer

A)   adenine.
B)   thymine.
C)   cytosine.
D)   uracil.
E)   cytosine and thymine.

Question 5

Unlike the leading strand, ______________ are made in replicating the lagging strand of DNA.

Accepted Answer

A)   primers
B)   nucleases
C)   Okazaki fragments
D)   pyrophosphates
E)   DNA polymerases

Question 6

Where would one expect to find the most telomerase?

Accepted Answer

A)   male germ cells that give rise to gametes
B)   skin cells from a 60-year-old individual
C)   skin cells from a 2-year-old individual
D)   a nerve cell from a 60-year-old individual
E)   a nerve cell from a 2-year-old individual

Question 7

Which of the following does NOT belong with the others?

Accepted Answer

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

Question 8

What is the complement DNA strand to 5?-ATTCGGTGA-3??

Accepted Answer

A)   5?-TAAGCCACT-3?
B)   3?-CGGATTGTC-5?
C)   5?-CGGATTGTC-3?
D)   3?-TAAGCCACT-5?
E)   3?-ATTCGGTGA-5

Question 9

Which of the following statements about telomeres is INCORRECT?

Accepted Answer

A)   Telomeres are produced by telomerase.
B)   Telomeres are found at the ends of DNA.
C)   Telomeres are short repeat sequences.
D)   Telomeres would predominate more in cells of older than younger individuals.
E)   Telomeres are crucial to the viability of a cell that replicates often.

Question 10

Studies by Avery, MacLeod, and McCarty with different strains of bacteria and those by Hershey and Chase with T2 bacteriophage determined that proteins are highly complex molecules that form the genetic material for bacteria and viruses.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following scientist-discoveries is mismatched?

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)   Hershey and Chase-DNA is the genetic material of bacteriophage

Question 12

The protein of T2 bacteriophage is labeled with 35S and the DNA with 32P. Where would one detect most of the 32P if the T2 bacteriophage were allowed to infect the bacteria?

Accepted Answer

A)   on the phage coat surrounding the T2 bacteriophage
B)   on the membrane of the infected bacteria
C)   inside the T2 bacteriophage capsid
D)   inside the infected bacteria
E)   The 32P would be equally distributed within the T2 bacteriophage and infected bacteria.

Exam 11: Nucleic Acid Structure, DNA Replication, and Chromosome Structure

The progressive shortening of telomeres in DNA correlates with cell senescence.

Correct Answer
verified

________ attaches DNA sequences at the ends of eukaryotic chromosomes.

Correct Answer
verified
C

During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?

Correct Answer
verified
A

All of the following nucleotide bases are pyrimidines EXCEPT

Correct Answer
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Unlike the leading strand, ______________ are made in replicating the lagging strand of DNA.

Correct Answer
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Where would one expect to find the most telomerase?

Correct Answer
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Which of the following does NOT belong with the others?

Correct Answer
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C

What is the complement DNA strand to 5?-ATTCGGTGA-3??

Correct Answer
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Which of the following statements about telomeres is INCORRECT?

Correct Answer
verified

Studies by Avery, MacLeod, and McCarty with different strains of bacteria and those by Hershey and Chase with T2 bacteriophage determined that proteins are highly complex molecules that form the genetic material for bacteria and viruses.

Correct Answer
verified

Which of the following scientist-discoveries is mismatched?

Correct Answer
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The protein of T2 bacteriophage is labeled with ³⁵S and the DNA with ³²P. Where would one detect most of the ³²P if the T2 bacteriophage were allowed to infect the bacteria?

Correct Answer
verified

Exam 11: Nucleic Acid Structure, DNA Replication, and Chromosome Structure

The progressive shortening of telomeres in DNA correlates with cell senescence.

Correct AnswerverifiedShow Answer

________ attaches DNA sequences at the ends of eukaryotic chromosomes.

Correct AnswerverifiedC

During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?

Correct AnswerverifiedA

All of the following nucleotide bases are pyrimidines EXCEPT

Correct AnswerverifiedShow Answer

Unlike the leading strand, ______________ are made in replicating the lagging strand of DNA.

Correct AnswerverifiedShow Answer

Where would one expect to find the most telomerase?

Correct AnswerverifiedShow Answer

Which of the following does NOT belong with the others?

Correct AnswerverifiedC

What is the complement DNA strand to 5?-ATTCGGTGA-3??

Correct AnswerverifiedShow Answer

Which of the following statements about telomeres is INCORRECT?

Correct AnswerverifiedShow Answer

Studies by Avery, MacLeod, and McCarty with different strains of bacteria and those by Hershey and Chase with T2 bacteriophage determined that proteins are highly complex molecules that form the genetic material for bacteria and viruses.

Correct AnswerverifiedShow Answer

Which of the following scientist-discoveries is mismatched?

Correct AnswerverifiedShow Answer

The protein of T2 bacteriophage is labeled with 35S and the DNA with 32P. Where would one detect most of the 32P if the T2 bacteriophage were allowed to infect the bacteria?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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C

Correct Answer
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A

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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C

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The protein of T2 bacteriophage is labeled with ³⁵S and the DNA with ³²P. Where would one detect most of the ³²P if the T2 bacteriophage were allowed to infect the bacteria?

Correct Answer
verified