1. New technology is developed that provides more information about the theory.
2. New experimental methods are designed to test a theory.
3. A single experiment produces results that differ from all previous experiments.
im not sure about #3 but it could be it
This is possible because of the length of the protein. It is always possible to add more amino acids and synthesize new protein and every new addition increases the number of possibilities drastically.
The most observable difference is the way in which cytokinesis occurs. In plants a new cell wall is fashioned between the new daughter cells, while in animal cells the cell membrane constricts to pinch the parent cell into daughter cells.
I am pretty sure that the side of a mountain range that faces the wind often receives more<span> precipitation </span><span>than the downwind side of the same range.</span>
