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А. Adenne B.- В- Cye Quanne Thynane D. C. A.

А. Adenne B.- В- Cye Quanne Thynane D. C. A.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question:** What kind of bond is shown in letter B? (Select the best answer) **Diagram Description:** The image depicts a segment of a DNA molecule with its two strands and base pairs. The bases are labeled as: - Adenine - Cytosine - Guanine - Thymine Four specific points on the diagram are marked by arrows labeled A, B, C, and D: - **A**: Points to the connection between phosphate groups and the deoxyribose sugar, indicating a phosphodiester bond. - **B**: Points to the bond between two nitrogenous bases (Cytosine and Guanine), indicating hydrogen bonds. - **C**: Indicates a bond within a phosphodiester linkage in the backbone. - **D**: Points to another bond within the sugar-phosphate backbone, likely also a phosphodiester bond. **Diagram Explanation:** The diagram illustrates the double helix structure of DNA. It shows the sugar-phosphate backbone on each strand and the rungs formed by pairs of complementary nitrogenous bases (Adenine-Thymine and Cytosine-Guanine). The hydrogen bonds (indicated by point B) hold the two strands of DNA together, providing stability to the structure. The phosphodiester bonds (indicated by points A, C, and D) connect the sugar and phosphate groups, forming the DNA backbone.
Transcribed Image Text:**Question:** What kind of bond is shown in letter B? (Select the best answer) **Diagram Description:** The image depicts a segment of a DNA molecule with its two strands and base pairs. The bases are labeled as: - Adenine - Cytosine - Guanine - Thymine Four specific points on the diagram are marked by arrows labeled A, B, C, and D: - **A**: Points to the connection between phosphate groups and the deoxyribose sugar, indicating a phosphodiester bond. - **B**: Points to the bond between two nitrogenous bases (Cytosine and Guanine), indicating hydrogen bonds. - **C**: Indicates a bond within a phosphodiester linkage in the backbone. - **D**: Points to another bond within the sugar-phosphate backbone, likely also a phosphodiester bond. **Diagram Explanation:** The diagram illustrates the double helix structure of DNA. It shows the sugar-phosphate backbone on each strand and the rungs formed by pairs of complementary nitrogenous bases (Adenine-Thymine and Cytosine-Guanine). The hydrogen bonds (indicated by point B) hold the two strands of DNA together, providing stability to the structure. The phosphodiester bonds (indicated by points A, C, and D) connect the sugar and phosphate groups, forming the DNA backbone.
This image features a portion of a diagram representing a DNA molecule. The structure includes labels and multiple-choice options for educational purposes. The diagram shows a DNA double helix with specific regions labeled as B, C, and D. Key components of the DNA structure are visible, such as the nucleotide bases cytosine, guanine, and thymine. The diagram likely illustrates the types of bonds in DNA. Below the diagram is a multiple-choice question asking to identify the types of bonds labeled in the diagram. The options include: - A. Covalent bond - B. Hydrogen bond - C. Phosphodiester bond - D. A and C - E. B and C There is also a navigation option to move to the previous or next question in the series.
Transcribed Image Text:This image features a portion of a diagram representing a DNA molecule. The structure includes labels and multiple-choice options for educational purposes. The diagram shows a DNA double helix with specific regions labeled as B, C, and D. Key components of the DNA structure are visible, such as the nucleotide bases cytosine, guanine, and thymine. The diagram likely illustrates the types of bonds in DNA. Below the diagram is a multiple-choice question asking to identify the types of bonds labeled in the diagram. The options include: - A. Covalent bond - B. Hydrogen bond - C. Phosphodiester bond - D. A and C - E. B and C There is also a navigation option to move to the previous or next question in the series.
Expert Solution
Step 1

The free hydroxyl on the 3' carbon of the following nucleotide forms an ester bond with the phosphate group linked to the 5' carbon of the sugar on one nucleotide.

A phosphodiester bond is the sort of link that holds the phosphate group to the sugar in DNA's backbone. Bases are linked by hydrogen bonds, and deoxyribose groups and base groups are linked by glycosidic bonds.

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