Answer: Adenine and guanine are the two purines and cytosine, thymine and uracil are the three pyrimidines. The main difference between purines and pyrimidines is that purines contain a sixmembered nitrogencontaining ring fused to an imidazole ring whereas pyrimidines contain only a sixmembered nitrogencontaining ring. They both are types or categories of nitrogen containing bases present in nuclei acids of DNA and RNA.
Purines are 2 Ring or Carbon Ring, Nitrogen containing bases. That consist of these 2 rings next placed next to each other. These examples include - Adenine and Guanine.
Pyrimidines are 1 or single Ring Nitrogen containing structures. There are 3 nitrogenous bases that are categorized as pyrimidines. Cytosine, Thymine, and Uracil.
Answer:
there are no fertilism or flowers In a sexual reproduction
Explanation:
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Answer:
The answer is "
"
Explanation:
In the given question, the value of the 
and the 
is the rate value which is the constant that is 
. As per the temperature value when its increase rate is constantly increasing. 
is activation energy it is not dependent on the temperature that why the answer is .
Answer:
6
Explanation:
The atomic number (chemical sombol) is 6
