Bacteria can be differentiated according to their reaction to a gram stain. a. Gram-positive bacteria stain...

 

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Bacteria can be differentiated according to their reaction to a gram stain. a. Gram-positive bacteria stain (appear) red because they retain the crystal violet dye after being stained by the gram stain procedure. b. Gram-negative bacteria appear purple because they don't keep the crystal violet stain, and they do retain the safranin stain which is red in color. O c. All the other choices are invalid O d. This response is determined by the structure of the cell membrane. Time left 0:58:42 Question 2 The flow of materials into or out of the cell are regulated by the Not yet membranes surrounding the cells. answered Marked out of 1 a. True P Flag question O b. False Bacteria can be differentiated according to their reaction to a gram stain. a. Gram-positive bacteria stain (appear) red because they retain the crystal violet dye after being stained by the gram stain procedure. b. Gram-negative bacteria appear purple because they don't keep the crystal violet stain, and they do retain the safranin stain which is red in color. O c. All the other choices are invalid O d. This response is determined by the structure of the cell membrane. Time left 0:58:42 Question 2 The flow of materials into or out of the cell are regulated by the Not yet membranes surrounding the cells. answered Marked out of 1 a. True P Flag question O b. False

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Ans c All the other choices are invalid Gram positive bacteria have a thick meshl... View the full answer