A. Smallpox could make a good biological weapon because it is an airborne virus.
B. Smallpox can be prevented via vaccination and potentially prevented by HEPA filters.
Staphylococcus epidermis appears stained, whereas Escherichia coli appears stainless after the gram stain.
Staphylococcus is a Gram-Positive Bacteria i.e. it takes up the Gram stain.
Escherichia coli or E. coli is a Gram-Negative Bacteria i.e. it does not take up the Gram stain.
Gram Staining is done by immersing the bacterial sample in a solution of dye and then observing it under microscope after proper rinsing.
Gram Positive Bacteria are those bacteria that show a positive outcome on staining. Gram Positive Bacteria appear Stained after staining.
Gram Negative Bacteria are those bacteria that show a negative outcome on staining. Gram Negative Bacteria does not take up the stain and appear stainless.
The epidermis of Staphylococcus which is a Gram-Positive Bacteria appears to take up the stain whereas Escherichia coli which is a Gram-Negative Bacteria does not take up the stain.
Staphylococcus epidermis appears stained, whereas Escherichia coli appears stainless after the gram stain.
Learn more about Gram-Positive Bacteria here, brainly.com/question/13756030
#SPJ4
The Nacza Plate subducted beneath the South American Plate
Answer:
Rodney claims that shooting stars burn from entering Earth's atmosphere.
Answer:
A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids. A group of four haploid cells, such as spores, formed by meiotic division of one mother cell.
or
Four chromatids
Explanation:
