This is the structure of DNA and nucleotide is the phosphate group with sugar (the pink one ) and base that are 4 different bases : A, T, C, G and between these bases we have hydrogen bonds and you can see that always it like : C≡G
A=T :))) i hope that helps :)))https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiawYOO7-...
<span>The factor which is the least influential in affecting the biodiversity of wetlands is A. type of wetland. Regardless of its type, there will still be a lot of flora and fauna in a certain wetland. Other factors such as food resources, nutrients, and whether there is enough water are far more important for the existence of biodiversity than the type of wetlands.</span>
By their activity in the soul
The law of conservation of mass states that mass is neither created nor destroyed by chemical reactions or physical transformations. according to this, the mass of the products must equal the mass of the reactants.