Answer:
c. Prevent crystal violet from leaving the cells
Explanation:
Gram Staining:
- Gram staining is a staining techniques used for the identification of bacteria in microbiological studies.
- Gram staining uses crystal violet as the primary stain. It complexes with the peptidoglycan cell wall of Gram positive bacteria giving them a purple color.
- An iodine mordant is also used that forms a crystal violet-iodine complex that fixes the crystal violet dye to the cell wall. This prevents the Gram positive cell walls from being decolorized by the application of alcohol.
- A counter stain, safranin is then applied that stains Gram negative bacteria pink.
I think the answer is C but idk for sure.
Answer:EPA
Under SDWA, EPA sets standards for drinking water quality and oversees the states, localities, and water suppliers who implement those standards.
Explanation:
The right option is; Segregation
The diagram represents the Mendel’s law of segregation.
The law of segregation is one of the principles of heredity discovered by Gregor Mendel. Mendel's law of segregation states that all organisms possess two pairs of alleles for each trait and that these alleles seperate during meiosis in a such a way that each gamete have only one pair of the alleles. The law explains that when an organism produces gametes, one gene copy is distributed to each of the gametes and that the selection of the gene copies is random.
