Bacterial Cells. Bacterial cells are very small-about 10 times smaller than most plant and animal cells. Most bacterial cells range in size from 0.2 to 10 microns or micrometers (0.0000079 to 0.00039 inches). Common Escherichia coli, or E.coli, bacteria are rod-shaped bacteria, 1 micron by 2 microns long.
1 Installing a concrete paver patio averages between $8 and $15 per square foot.  Stone: The most natural option, stone comes in several sizes, textures, colors and styles. Most homeowners opt for stone to create a design-focused patio. Installing a stone paver patio averages between $4 and $8 per square foot.
1 Concrete patios are going to be a lot cheaper than stamped concrete or brick pavers. 2  According to AskTheBuilder.com, the price of a patio can be anywhere from $3 to $4 per square foot if you complete the patio yourself. 3  For example, a 10â² x 20â² patio can cost $560 to $700. â A professional will charge anywhere from $5,500 to $9,000 to install the pavers. 2  Stamped concrete based patios are going to range anywhere from $11 to as much as $25 per square foot. 3  Stamped concrete patios with patterns and hand applied stains are going to cost more.