Exam 4: Linkage, Recombination, and the Mapping of Genes on Chromosomes

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Griffith found that smooth (S)forms of S.pneumoniae have a polysaccharide capsule and rough (R)forms do not.Only S forms cause infection.Briefly describe how Griffith demonstrated transformation using live R form and heat-killed S form bacteria.

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Question 21

DNA replication occurs through a _________ process.

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Question 22

How did Watson and Crick's scientific approach differ from that of other scientists who studied DNA?

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Question 23

DNA is localized mainly in the

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Question 24

If chromosomal DNA were single stranded,which of the following would be most reduced compared to a double stranded molecule?

(Multiple Choice)

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Question 25

The protein that progressively unwinds DNA ahead of each replication fork is called

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Question 26

The step in DNA replication in which the proteins connect the correct sequence of nucleotides into a continuous new strand is called

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Question 27

The ratio of _____ is 1:1.

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Question 28

Why is RNA required for DNA replication?

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Question 29

A region of DNA 100 bp in length has the potential to be represented by 4100 unique sequences.

(True/False)

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Question 30

The nucleotide that is present in RNA but not DNA is

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Question 31

In the Hershey and Chase experiment designed to determine the molecule of heredity,what was radiolabelled with ³⁵S?

(Multiple Choice)

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Question 32

If 35% of the bases in a region of the mouse genome are cytosine,what percentage in that region are adenine?

(Multiple Choice)

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Question 33

When Meselson and Stahl performed the experiment that showed that replication is a semiconservative process,they utilized E.coli,and various isotopes of nitrogen (¹⁵N and ¹⁴N).Explain briefly what their results would have been if DNA replicated conservatively.

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Question 34

Hershey and Chase relied on ________ to physically separate the infected bacterial cells from the phage ghosts.

(Multiple Choice)

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Question 35

During early interphase,the state of the DNA can be described as

(Multiple Choice)

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Question 36

In DNA replication,new DNA is produced in a continuous bidirectional fashion.

(True/False)

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Question 37

Human DNA is replicated in a conservative manner.

(True/False)

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Question 38

Prokaryotes have a circular chromosome surrounded by a nuclear membrane.

(True/False)

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Question 39

Meselson and Stahl relied on equilibrium density gradient centrifugation in a _______ solution to resolve the DNA containing ¹⁴N from the DNA containing ¹⁵N.

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Question 40

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Exam 4: Linkage, Recombination, and the Mapping of Genes on Chromosomes

Griffith found that smooth (S)forms of S.pneumoniae have a polysaccharide capsule and rough (R)forms do not.Only S forms cause infection.Briefly describe how Griffith demonstrated transformation using live R form and heat-killed S form bacteria.

DNA replication occurs through a _________ process.

How did Watson and Crick's scientific approach differ from that of other scientists who studied DNA?

DNA is localized mainly in the

If chromosomal DNA were single stranded,which of the following would be most reduced compared to a double stranded molecule?

The protein that progressively unwinds DNA ahead of each replication fork is called

The step in DNA replication in which the proteins connect the correct sequence of nucleotides into a continuous new strand is called

The ratio of _____ is 1:1.

Why is RNA required for DNA replication?

A region of DNA 100 bp in length has the potential to be represented by 4100 unique sequences.

The nucleotide that is present in RNA but not DNA is

In the Hershey and Chase experiment designed to determine the molecule of heredity,what was radiolabelled with 35S?

If 35% of the bases in a region of the mouse genome are cytosine,what percentage in that region are adenine?

When Meselson and Stahl performed the experiment that showed that replication is a semiconservative process,they utilized E.coli,and various isotopes of nitrogen (15N and 14N).Explain briefly what their results would have been if DNA replicated conservatively.

Hershey and Chase relied on ________ to physically separate the infected bacterial cells from the phage ghosts.

During early interphase,the state of the DNA can be described as

In DNA replication,new DNA is produced in a continuous bidirectional fashion.

Human DNA is replicated in a conservative manner.

Prokaryotes have a circular chromosome surrounded by a nuclear membrane.

Meselson and Stahl relied on equilibrium density gradient centrifugation in a _______ solution to resolve the DNA containing 14N from the DNA containing 15N.

Mendels Principles of Heredity

Extensions to Mendels Laws

The Chromosome Theory of Inheritance

Dna Structure, Replication, and Recombination

Anatomy and Function of a Gene: Dissection Through Mutation

Gene Expression: the Flow of Information From Dna to Rna to Protein

Digital Analysis of Genomes

Genome Annotation

Analyzing Genomic Variation

The Eukaryotic Chromosome

Chromosomal Rearrangements and Changes in Chromosome Number

Bacterial Genetics

Organellar Inheritance

Gene Regulation in Prokaryotes

Gene Regulation in Eukaryotes

Manipulating the Genomes of Eukaryotes

The Genetic Analysis of Development

The Genetics of Cancer

Variation and Selection in Populations

Genetics of Complex Traits

Exploring Synthetic Biology: Concepts, Techniques, and Applications

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In the Hershey and Chase experiment designed to determine the molecule of heredity,what was radiolabelled with ³⁵S?

When Meselson and Stahl performed the experiment that showed that replication is a semiconservative process,they utilized E.coli,and various isotopes of nitrogen (¹⁵N and ¹⁴N).Explain briefly what their results would have been if DNA replicated conservatively.

Meselson and Stahl relied on equilibrium density gradient centrifugation in a _______ solution to resolve the DNA containing ¹⁴N from the DNA containing ¹⁵N.