Negative staining is commonly used to determine if bacterial cells have Multiple Choice DNA or RNA genomes. a Gram-positive cell wall. a capsule. a Gram-negative cell wall. flagella.
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Step 1: Gram staining method is used to identify if bacteria have gram-positive or gram-negative cell walls based on their cell wall constituents. Show more…
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A bacterial cell was taken and gram staining was done and observed that it did not take up gram stain such a bacteria is known as (a) Gram positive (b) Gram negative (c) Non-effective to gram stain (d) None of these
In the image below bacteria that have been run through the steps of the gram stain are shown as numerically labeled cells. From the drop down selections, select what color each cell type of cell (gram positive or gram negative) would be following each step of the gram stain: Step 1 Crystal violet Step 2 Iodine Step 3 Alcohol wash Step 4 Safranin Gram-positive bacterial cell Gram-negative bacterial cell Choose the color of the cell: Cell #1: [ Select ] Cell #2: [ Select ] Cell #3: [ Select ]
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You use the Gram staining procedure to stain an L-form bacterium (a bacterium that lacks a cell wall). What color will the bacterium be after the staining procedure is finished?
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