Amino acids are the building block of protein !!!
<span>The mineral crystals in obsidian are too small to see without a microscope. This is because the rock cools so rapidly from magma that crystals barely have time to form. Obsidian is a normally happening volcanic glass framed as an extrusive molten shake. It is delivered when felsic magma expelled from a well of lava cools quickly with negligible precious stone development.</span>
Answer:
I believe it is Involve only a single nucleotide and if not then its Change the genetic information in DNA
Explanation: