|
There are 4 nucleotides that make up DNA. These nucleotides are adenine, guanine, thymine, and cytosine. In a DNA strand adenine pairs with thymine and guanine pairs with cytosine.
http://answers.ask.com/Science/Other/what_are_the_...
|
|
The four nucleotides in DNA are: adenine, thymine, guanine, and cytosine. Adenine pairs with thymine while guanine pairs with cytosine.
http://wiki.answers.com/Q/What_are_the_four_types_...
|
|
Over eons of evolutionary history, nature decided that four nucleotides provides the right balance between species variability and excessive redundancy. Scientists believe this is
http://wiki.answers.com/Q/Why_are_there_four_types...
|
|
The purine are: Adenine and Guanine The pyrimidines are : Cytosine and uracil
http://wiki.answers.com/Q/What+are+the+four+types+...
|