Which of the following is the mordant in the gram staining process?

A. Safranin
B. Iodine
C. Crystal violet
D. Alcohol


Ans: B. Iodine

Biology & Microbiology

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Cell condition in which two of each type of chromosome are present.

What will be an ideal response?

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The complement system serves to:

a. increase blood flow to the area of infec-tion and can also effectively wall off the infection through the production of barrier substances. b. attract and enhance the activities of pha-gocytes. c. provide substances secreted by one type of cell, which have substantial effects on the antiinfective activities of other cells. d. ingest and destroy microorganisms.

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