Which of the following is not a nitrogeneous base? Question 89Select one: a. Cystidine b. Cytosine c. Hypoxanthine d. Uracil e. Guanosine
Question
Which of the following is not a nitrogeneous base? Question 89Select one:
a. Cystidine
b. Cytosine
c. Hypoxanthine
d. Uracil
e. Guanosine
Solution
The answer is:
a. Cystidine
This is not a nitrogenous base. The nitrogenous bases are adenine, guanine, cytosine, thymine (in DNA), and uracil (in RNA). Hypoxanthine and guanosine are also nitrogenous bases, but they are not as
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