Label the following -phosphodiester bond -AT base pair -hydrogen bond -deoxyribose sugar -GC base pair -purine base -pyrimidine base -5’ and 3’ ends of each strand

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Label the following -phosphodiester bond -AT base pair -hydrogen bond -deoxyribose sugar -GC base pair -purine base -pyrimidine base -5’ and 3’ ends of each strand
This image showcases a double-stranded DNA molecule comprising three base pairs. DNA is structured as a double helix, and this representation highlights the chemical structure and the specific hydrogen bonding between the base pairs.

### Structure Details:

1. **Backbone**:
   - The backbone of the DNA molecule is composed of a repeating pattern of phosphate (P) and deoxyribose sugar molecules.
   - The phosphate groups are represented by the circles with 'P' and they connect to the sugar molecules, depicted by the pentagonal rings.

2. **Base Pairs**:
   - The two strands are held together by hydrogen bonds between pairs of nitrogenous bases.

3. **Base Pairing**:
   - **Adenine (A) pairs with Thymine (T)**:
     - Shown with two hydrogen bonds (represented by dotted red lines).
   - **Guanine (G) pairs with Cytosine (C)**:
     - Shown with three hydrogen bonds (represented by dotted red lines).

This diagram is essential for understanding the structural properties of DNA and the specific pairing interactions that contribute to its stability and function in genetic encoding.
Transcribed Image Text:This image showcases a double-stranded DNA molecule comprising three base pairs. DNA is structured as a double helix, and this representation highlights the chemical structure and the specific hydrogen bonding between the base pairs. ### Structure Details: 1. **Backbone**: - The backbone of the DNA molecule is composed of a repeating pattern of phosphate (P) and deoxyribose sugar molecules. - The phosphate groups are represented by the circles with 'P' and they connect to the sugar molecules, depicted by the pentagonal rings. 2. **Base Pairs**: - The two strands are held together by hydrogen bonds between pairs of nitrogenous bases. 3. **Base Pairing**: - **Adenine (A) pairs with Thymine (T)**: - Shown with two hydrogen bonds (represented by dotted red lines). - **Guanine (G) pairs with Cytosine (C)**: - Shown with three hydrogen bonds (represented by dotted red lines). This diagram is essential for understanding the structural properties of DNA and the specific pairing interactions that contribute to its stability and function in genetic encoding.
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