Cell walls. This is a rigid layer made of cross-linked protein and sugars that surrounds the bacteria, holding it together and stopping it from exploding. The stain is called Gram's stain and is either purple (+ve) or pink (-ve). This distinction is used because it allows you to quickly cut the bacteria in half, and more importantly decide which antibiotic to give without actually having to grow the thing.
<span>The most prominent bacterial structural characteristic is the cell wall. Bacteria can be divided into two groups (gram-positive and gram-negative) based on differences in cell wall structure as revealed by Gram staining. In a Gram stain, a series of dyes are applied to stain cell walls. Gram-negative bacteria have an outer, lipopolysaccharide-containing membrane and stain pink. They also have a thin peptidoglycan layer located in the periplasm (the region between the outer and cytoplasmic membranes). Gram-positive bacteria lack this covering, but possess a cell wall containing a thick peptidoglycan (called Murein in older sources) layer and teichoic acids; they stain purple. Gram-positive bacteria are more susceptible to antibiotics, while gram-negative bacteria are difficult to treat with antibiotics.</span>
I think No. because matter can neither be created nor destroyed...chemical change cannot alter the number of atoms in a given reaction. The atoms can only rearrange so that it can yield a new molecule/compound but the number of atoms should stay the same.
Although earthquakes often occur before a volcaniceruption, they are not the cause. The earthquakes are the result of magma (molten rock) moving underground leading up to an eruption. A few volcaniceruptions are thought to have been triggered or initiated by earthquakes, but this is not the typical case.
