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Name the nitrogenous bases that are bonded

Name the nitrogenous bases that are bonded

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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Name the nitrogenous bases that are bonded
This image represents the hydrogen bonding between two nucleobases: guanine and cytosine, which are fundamental components of DNA. ### Description: - **Left Structure (Guanine):** - It consists of a double-ring structure known as a purine. - Contains nitrogen atoms at specific positions within the rings. - An oxygen atom is present which plays a key role in hydrogen bonding. - **Right Structure (Cytosine):** - It consists of a single-ring structure known as a pyrimidine. - Contains nitrogen atoms and an oxygen atom, contributing to hydrogen bonding. ### Hydrogen Bonds: - **Three Dashed Lines:** - Indicate hydrogen bonds that stabilize the interaction between guanine and cytosine. - These bonds are crucial for the stability of the DNA double helix structure. In DNA, guanine pairs with cytosine through these three hydrogen bonds, contributing to the genetic encoding necessary for life. This complementary base pairing is essential for DNA replication and function.
Transcribed Image Text:This image represents the hydrogen bonding between two nucleobases: guanine and cytosine, which are fundamental components of DNA. ### Description: - **Left Structure (Guanine):** - It consists of a double-ring structure known as a purine. - Contains nitrogen atoms at specific positions within the rings. - An oxygen atom is present which plays a key role in hydrogen bonding. - **Right Structure (Cytosine):** - It consists of a single-ring structure known as a pyrimidine. - Contains nitrogen atoms and an oxygen atom, contributing to hydrogen bonding. ### Hydrogen Bonds: - **Three Dashed Lines:** - Indicate hydrogen bonds that stabilize the interaction between guanine and cytosine. - These bonds are crucial for the stability of the DNA double helix structure. In DNA, guanine pairs with cytosine through these three hydrogen bonds, contributing to the genetic encoding necessary for life. This complementary base pairing is essential for DNA replication and function.
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