DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Chapter 9.2, Problem 2TYK

Summary Introduction

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DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Draw a stylized diagram of double-stranded DNA. Use a pentagon for sugar, a circle for phosphate and a square for bases. Label each base A, T, C or G. Show two pairs of nucleotides connected via hydrogen bonds (use all 4 letters). Show the polarity of each strand and clearly indicate the number of hydrogen bonds in each pair of nucleotides. Draw a solid-line circle around a nucleotide. Draw a dashed-line circle around a nucleoside. Indicate a phosphodiester bond using an arrow.

Match the following terms with their correct definition. The structure of double-standed DNA Hold the base pairs together and make up the rungs of the DNA double helix One strand of nucleotides running in the opposite direction of the other strand Consists of a phosphate, a sugar backbone, and a nitrogen base A-T and C-G base pairs Five-carbon sugar found in DNA Answer Complementary base pairs Answer Double helix Answer Antiparallel Answer Nucleotide Answer Hydrogen bonds Answer Deoxyribose sugar

How many hydrogen bonds exist between this DNA strand and its complementary strand? 5′–CTCCACA–3′5′–CTCCACA–3′ number of hydrogen bonds between strands:

Answer 2

Question

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Answer 3

Question

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Answer 4

Question

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Answer 5

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

Answer 6

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

Answer 7

Chapter 9.2, Problem 2TYK

Summary Introduction

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

Answer 8

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Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYK Ch. 9.2 - Prob. 1CC Ch. 9.2 - Prob. 2CC Ch. 9.2 - Prob. 3CC Ch. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYK Ch. 9.2 - Prob. 3TYK Ch. 9.3 - Prob. 1TYK Ch. 9.3 - To determine the structure of DNA, Watson and...

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

Solution Summary: The author explains that the orientation of sugar molecules in the backbone determines the directionality of DNA strands.

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Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Chapter 9 Solutions

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

Solution Summary: The author explains that the orientation of sugar molecules in the backbone determines the directionality of DNA strands.

Concept explainers

Videos

Introduction: DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.

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Chapter 9 Solutions

Introduction:

DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.