Podcast
Questions and Answers
What are the 3 parts of a DNA nucleotide?
What are the 3 parts of a DNA nucleotide?
Phosphate, deoxyribose sugar, and nitrogenous base
What are the 4 bases of DNA?
What are the 4 bases of DNA?
Adenine, Thymine, Guanine, and Cytosine
Adenine bonds with?
Adenine bonds with?
Thymine
Cytosine bonds with?
Cytosine bonds with?
Flashcards
DNA Nucleotide Components
DNA Nucleotide Components
A DNA nucleotide consists of a phosphate group, a deoxyribose sugar, and a nitrogenous base.
DNA Bases
DNA Bases
The four bases of DNA are Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).
Adenine's Bond
Adenine's Bond
Adenine (A) forms a bond with Thymine (T) in DNA's double helix.
Cytosine's Bond
Cytosine's Bond
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Study Notes
DNA Structure and Composition
- A DNA nucleotide consists of three essential components:
- Phosphate group
- Deoxyribose sugar
- Nitrogenous base
DNA Nitrogenous Bases
- DNA is made up of four main nitrogenous bases:
- Adenine (A)
- Thymine (T)
- Guanine (G)
- Cytosine (C)
Base Pairing Rules
- Adenine pairs with Thymine (A-T)
- Cytosine pairs with Guanine (C-G)
Significance of Base Pairing
- The specific pairing of adenine with thymine and cytosine with guanine is crucial for the structure of the DNA double helix and the fidelity of DNA replication.
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