The cell wall of most bacteria has an overall net negative charge and thus can be stained directly with a single basic (positively charged) stain or dye. This type of stain allows us to observe the ...
14hon MSN
One thing geology teaches us about is the existence of another monumental event in the history of Earth, 2.4 billion years ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results