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How many basal body rings do Gram positive bacteria have in the flagella?(a) 2(b) 3(c) 4(d) 1This question was posed to me in a job interview.This intriguing question originated from Two Fundamentally Different Classes of Cells in chapter Introduction to Cell of Cell Biology

Answer»

Correct choice is (a) 2

For explanation: Gram positive BACTERIA have 2 basal rings in the FLAGELLA, one in the peptidoglycan layer and one in the plasma MEMBRANE. Gram negative bacteria have 4 basal rings in their flagella. The L ring is located in the plane in the outer membrane, P ring in the plane of peptidoglycan around flagellar ROD, MS ring that is located within and above cytoplasmic membrane and C ring extends into the CYTOPLASM.



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