Podcast
Questions and Answers
What is the base pairing rule in DNA?
What is the base pairing rule in DNA?
How many hydrogen bonds are there between adenine and thymine?
How many hydrogen bonds are there between adenine and thymine?
Which form of DNA has a left-handed helix?
Which form of DNA has a left-handed helix?
What is the diameter of the B DNA helix?
What is the diameter of the B DNA helix?
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Study Notes
DNA Structure
- The base pairing rule in DNA states that adenine (A) pairs with thymine (T) and guanine (G) pairs with cytosine (C).
Hydrogen Bonds
- Adenine and thymine are connected by 2 hydrogen bonds.
DNA Forms
- The Z-form of DNA has a left-handed helix.
DNA Helix Dimensions
- The diameter of the B DNA helix is approximately 2 nanometers (nm).
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Description
Test your knowledge of DNA structure with this quiz! Learn about the regularity of DNA's orientation, width, and length, as well as the pairing of nucleotides. Explore the essential role of hydrogen bonds in holding the two strands together.