Nitrogenous Bases
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15 Terms
How many carbon rings do Purines have?
2 carbon rings
How many carbon rings do Pyrimidines have?
1 carbon ring
What bases are classified as Purines?
Adenine (A) and Guanine (G)
What bases are classified as Pyrimidines?
Cytosine (C), Thymine (T), and Uracil (U)
What is the structure of Adenine (A)?
What is the structure of Guanine (G)?
What is the structure of Cytosine (C)?
What is the structure of Thymine?
What differentiates it from Uracil?
Has a Methyl Group
What is the structure of Uracil?
What differentiates it from Thymine?
Does NOT have a Methyl Group
What indicates a Ribose sugar?
Deoxyribose sugar?
Ribose — OH group on the 2’ carbon
Deoxyribose — H on the 2’ carbon
At physiological pH, what is the composition of Uracil in regards to C, H, N, and O?
4C 4H 2N 2O
At physiological pH, what is the composition of Adenine in regards to C, H, N, and O?
5C 5H 5N 0O
At physiological pH, what is the composition of Cytosine in regards to C, H, N, and O?
4C 5H 3N 1O
At physiological pH, what is the composition of Thymine in regards to C, H, N, and O?
5C 6H 2N 2O
At physiological pH, what is the composition of Guanine in regards to C, H, N, and O?
5C 5H 5N 1O