Answer:
Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.
Hope this helps! Sorry no one answered your question sooner :(
Explanation:
sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...
Ferns are plants that do not flower and have spores for reproduction. Cycads are also plants that do not flower but have <span>sculptural cone-like structures and often colourful seeds.</span>