Which of the following tentative base-pairs (designated A-F) actually exist in a double-stranded DNA and are referred to as canonical Watson-Crick base-pairs? B NH, NH, లోడం కషరి కలు NH HN H,N DAA De B OcC DE E ORF
Which of the following tentative base-pairs (designated A-F) actually exist in a double-stranded DNA and are referred to as canonical Watson-Crick base-pairs? B NH, NH, లోడం కషరి కలు NH HN H,N DAA De B OcC DE E ORF
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:**Question:**
Which of the following tentative base-pairs (designated A-F) actually exist in a double-stranded DNA and are referred to as canonical Watson-Crick base-pairs?
**Diagrams:**
The image displays six chemical structures labeled A through F, representing different base-pair configurations. Each pair comprises two nitrogenous bases connected by dashed lines indicating hydrogen bonds, which are crucial for the base-pair stabilization in DNA.
**Diagram Details:**
- **A:** Two structures aligned side by side potentially with hydrogen bonds between them.
- **B:** Similar arrangement as A with alternate bases.
- **C:** Structure showing base pairs and hydrogen bond alignments.
- **D:** Another configuration with precise hydrogen bonding.
- **E:** Displays bases and their bonding.
- **F:** Shows a distinct arrangement, likely purine-pyrimidine based.
**Answer Options:**
- ☐ A
- ☐ B
- ☐ C
- ☐ D
- ☐ E
- ☐ F
These structures aim to depict canonical base-pairing in DNA, predominantly adenine (A) with thymine (T) and guanine (G) with cytosine (C). Identifying canonical pairs involves recognizing the correct hydrogen bonding pattern seen in DNA.
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