Biology: Concepts and Investigations

5th Edition

ISBN: 9781260259049

Author: Hoefnagels

Publisher: MCG

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Concept explainers

DNA and RNA

Deoxyribonucleic acid (DNA) is usually called the blueprint of life. Deoxyribose is a monosaccharide that has a key function in the synthesis of deoxyribonucleic acid. One less oxygen-containing hydroxyl group occurs in deoxyribose sugar. Nucleic acid, d…

DNA as the Genetic Material

DNA, or deoxyribonucleic acid, is a long polymeric nucleic acid molecule discovered in the late 1930s. It is a polymer; a long chain-like molecule made up of several monomers connected in a sequence. It possesses certain characteristics that qualify it a…

Genetics

The significant branch in science which involves the study of genes, gene variations, and the organism's heredity is known as genetics. It is also used to study the involvement of a gene or set of genes in the health of an individual and how it prevents …

DNA Replication

The mechanism by which deoxyribonucleic acid (DNA) is capable of producing an exact copy of its own is defined as DNA replication. The DNA molecules utilize a semiconservative method for replication.

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Textbook Question

Chapter 7.2, Problem 1MC

What are the components of DNA and its three-dimensional structure?

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Chapter 7.1, Problem 2MC

Chapter 7.2, Problem 2MC

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What are the components of DNA and its three-dimensional structure?

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Chapter 7 Solutions

Biology: Concepts and Investigations

Ch. 7.1 - How did Griffiths research, coupled with the work...Ch. 7.1 - How did the Hershey-Chase blender experiments...Ch. 7.2 - What are the components of DNA and its...Ch. 7.2 - What evidence enabled Watson and Crick to decipher...Ch. 7.2 - Prob. 3MC Ch. 7.3 - What is the relationship between a gene and a...Ch. 7.3 - Prob. 2MC Ch. 7.3 - What are the three types of RNA, and how does each...Ch. 7.4 - What happens during each stage of transcription?Ch. 7.4 - Where in the cell does transcription occur?

Ch. 7.4 - What is the role of RNA polymerase in...Ch. 7.4 - What are the roles of the promoter and terminator...Ch. 7.4 - How is mRNA modified before it leaves the nucleus...Ch. 7.5 - How did researchers determine that the genetic...Ch. 7.5 - What happens in each stage of translation?Ch. 7.5 - Where in the cell does translation occur?Ch. 7.5 - How are polypeptides modified after translation?Ch. 7.6 - What are some reasons that cells regulate gene...Ch. 7.6 - Prob. 2MC Ch. 7.6 - Prob. 3MC Ch. 7.6 - Prob. 4MC Ch. 7.7 - What is a mutation?Ch. 7.7 - What are the types of mutations, and how does each...Ch. 7.7 - Prob. 3MC Ch. 7.7 - Prob. 4MC Ch. 7.7 - How are mutations important?Ch. 7.8 - What question about the FOXP2 gene were the...Ch. 7.8 - What insights could scientists gain by...Ch. 7 - A nucleotide is composed of all of the following...Ch. 7 - Prob. 2MCQ Ch. 7 - Transcription copies a _______ to a complementary...Ch. 7 - Choose the DNA sequence from which this mRNA...Ch. 7 - Prob. 5MCQ Ch. 7 - Prob. 6MCQ Ch. 7 - How does the lac operon regulate lactose digestion...Ch. 7 - Prob. 8MCQ Ch. 7 - Prob. 9MCQ Ch. 7 - Prob. 10MCQ Ch. 7 - Explain how Griffiths experiment and Avery,...Ch. 7 - Prob. 2WIO Ch. 7 - Prob. 3WIO Ch. 7 - Put the following in order from smallest to...Ch. 7 - Prob. 5WIO Ch. 7 - List the three major types of RNA and their...Ch. 7 - Some people compare DNA to a blueprint stored in...Ch. 7 - Prob. 8WIO Ch. 7 - Prob. 9WIO Ch. 7 - If a protein is 1259 amino acids long, what is the...Ch. 7 - Prob. 11WIO Ch. 7 - The roundworm C. elegans has 556 cells when it...Ch. 7 - A protein-encoding region of a gene has the...Ch. 7 - Explain how a mutation in a protein-encoding gene,...Ch. 7 - Refer to the figure to answer these questions: a....Ch. 7 - Describe the mutation shown in figure 7.27 and...Ch. 7 - Prob. 17WIO Ch. 7 - Parkinson disease causes rigidity, tremors, and...Ch. 7 - Refer to figure 7.28 and the chapter con tent to...Ch. 7 - Prob. 2PIT Ch. 7 - Prob. 3PIT Ch. 7 - Prob. 4PIT

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What are the components of DNA and its three-dimensional structure?

Solution Summary: The author explains that DNA is a nucleic acid with threadlike structure and contains nitrogenous bases, deoxyribose sugar, and phosphate group. It carries genetic information required for the growth, reproduction,

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