In the DNA, that is why they are called the building blocks of life.
Nitrogen fixation is the process where atmospheric nitrogen is converted by bacteria into biologically usable forms.
plant can not take nitrogen directly from the leaves.
A flagellum is a whip-like structure that allows a cell to move. They are found in all three domains of the living world:bacteria, archaea, and eukaryota, also known as protists, plants, animals, andfungi. While all three types of flagella are used for locomotion, they are structurally very different.
hope it helps
