The cell wall is the outside layer of the cell whereas the cell membrane is surrounds the cytoplasm of the cell.
I think the correct answer is B hope it helped
The inorganic compound is KH2PO4. Organic compounds must contain carbon and hydrogen in them to be chemically classified as organic.
<span>3,3',5,5'-Tetramethylbenzidine or TMB is a chromogenic substrate visualising reagent used in enzyme-linked immunosorbent assays (ELISA), it yields a blue color when oxidized, typically as a result of oxygen radicals produced by the hydrolysis of hydrogen peroxide by HRP, (thermofisher). The expected colorimetric result from the negative control in your assay will be no development of blue color</span>
