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What and what are two classes of nitrogenous bases?
purines and pyramidines.
Why only adenine guanine cytosine thymine and uracil are only considered as the basic units of DNA why not other purines and pyramidines?
You question dosent really make sence, but if you are asking why are they not Purines and Pyramidines...They are Adenine and Guanine are Purines, and then you can realise that Thymine Cytosine and Uracil are all Pyramidines. If you are asking why are they only considered as purines and prymidines they are not there a many different types of Purines and Pyramidines but because when you study Biology and DNA is a topic that you cover frequently, they are noted but an example of a Purine is Uric Acid (essentially a product when it a Purine is broken down but still considered as a Purine). Hope this is helpful...
What is the difference between purines and pyramidines?
Purines and pyramidines are bases in nucleic acids found in DNA. Purines form a two-ring structure while pyramidins form a single-ring structure.
What nitrogenous bases are pyramidines?
i) thymine ii) cytosine and iii) - in Rna only is found - uracil.
How many rings do Mars got?
how many rings does mars have
What has many colorful rings?
Saturn has many colorful rings.
How many rings do nepture have?
6 rings
How many the rings of Mercury?
mercury has no rings
How many rings does Titan have?
20 rings
How many rings that Mars has?
Mars has no rings.
How many rings to wear?
2 rings
How many rings do Venus have?
Venus does not have rings.
