Exam 8: DNA Structure and Chromosomal Organization

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What role might nucleosomes play in chromosome structure? What are the dimensions of the problem in packing a diploid amount of DNA into a typical nucleus?

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Question 41

A _______________ molecule connects two ribose sugars together in an RNA molecule.

(Short Answer)

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Question 42

Both and _ have a two-ringed chemical structure.

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Question 43

If a DNA molecule was a ladder, the rungs of the ladder would be formed by the and the rails of the ladder would be formed by the __.

(Short Answer)

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Question 44

DNA replication occurs during cytokinesis.

(True/False)

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Question 45

In addition to the nucleosome, DNA in a chromosome has several more levels of folding and compaction.

(True/False)

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Question 46

DNA is made up of a linear array of ____________________.

(Short Answer)

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Question 47

Describe the structure of nucleosomes.

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Question 48

Match the following researchers with their discovery.

The structure of DNA

Chargaff

The genetic material is DNA, not protein

Griffith

Transforming factor can be transferred between dead and living bacteria

Avery

Correct Answer:

Verified

The structure of DNA

The genetic material is DNA, not protein

Transforming factor can be transferred between dead and living bacteria

In a DNA molecule, the amount of adenine equals the amount of cytosine

The transforming factor is chromatin

The nucleus contains nuclein, which contains DNA

The genetic code

(Matching)

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Question 49

Very rarely, DNA polymerase makes mistakes and during replication inserts a "wrong" (non-complementary) nucleotide into the new DNA strand (e.g., inserts a G opposite a T). What are the consequences of such errors?

(Short Answer)

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Question 50

The nitrogenous bases of DNA stores genetic information.

(True/False)

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Question 51

RNA differs from DNA in

(Multiple Choice)

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Question 52

The two strands of each polynucleotide chain in DNA are identical.

(True/False)

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Question 53

Showing 41 - 53 of 53

What role might nucleosomes play in chromosome structure? What are the dimensions of the problem in packing a diploid amount of DNA into a typical nucleus?

A _______________ molecule connects two ribose sugars together in an RNA molecule.

Both and _ have a two-ringed chemical structure.

If a DNA molecule was a ladder, the rungs of the ladder would be formed by the and the rails of the ladder would be formed by the __.

DNA replication occurs during cytokinesis.

In addition to the nucleosome, DNA in a chromosome has several more levels of folding and compaction.

DNA is made up of a linear array of ____________________.

Describe the structure of nucleosomes.

Very rarely, DNA polymerase makes mistakes and during replication inserts a "wrong" (non-complementary) nucleotide into the new DNA strand (e.g., inserts a G opposite a T). What are the consequences of such errors?

The nitrogenous bases of DNA stores genetic information.

RNA differs from DNA in

The two strands of each polynucleotide chain in DNA are identical.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Pedigree Analysis in Human Genetics

Complex Patterns of Inheritance

Cytogenetics: Karyotypes and Chromosome Aberrations

Development and Sex Determination

Gene Expression: From Genes to Proteins

From Proteins to Phenotypes

Mutation: the Source of Genetic Variation

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology, Genetic Testing, and Gene Therapy

Genes and the Immune System

Genetics of Behavior

Population Genetics and Human Evolution

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Exam 8: DNA Structure and Chromosomal Organization

What role might nucleosomes play in chromosome structure? What are the dimensions of the problem in packing a diploid amount of DNA into a typical nucleus?

A _______________ molecule connects two ribose sugars together in an RNA molecule.

Both ________________ and _________________ have a two-ringed chemical structure.

If a DNA molecule was a ladder, the rungs of the ladder would be formed by the ____________ and the rails of the ladder would be formed by the ______________.

DNA replication occurs during cytokinesis.

In addition to the nucleosome, DNA in a chromosome has several more levels of folding and compaction.

DNA is made up of a linear array of ____________________.

Describe the structure of nucleosomes.

Very rarely, DNA polymerase makes mistakes and during replication inserts a "wrong" (non-complementary) nucleotide into the new DNA strand (e.g., inserts a G opposite a T). What are the consequences of such errors?

The nitrogenous bases of DNA stores genetic information.

RNA differs from DNA in

The two strands of each polynucleotide chain in DNA are identical.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes From Generation to Generation

Pedigree Analysis in Human Genetics

Complex Patterns of Inheritance

Cytogenetics: Karyotypes and Chromosome Aberrations

Development and Sex Determination

Gene Expression: From Genes to Proteins

From Proteins to Phenotypes

Mutation: the Source of Genetic Variation

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology, Genetic Testing, and Gene Therapy

Genes and the Immune System

Genetics of Behavior

Population Genetics and Human Evolution

Filters

Both and _ have a two-ringed chemical structure.

If a DNA molecule was a ladder, the rungs of the ladder would be formed by the and the rails of the ladder would be formed by the __.