Answer:
X-ray crystallography diffraction imaging, nuclear magnetic resonance spectroscopy imaging and frozen electron microscopy three-dimensional reconstruction technology.
Explanation:
http://www.creative-biostructure.com/protein-crystallization-and-structure-determination_13.htm
Population is the answer !
Biogeochemical cycles are important because they regulate the elements necessary for life on earth by cycling them through biological and physical aspects of the word.
