RNA Polymerase SDS page shows two very large subunits: beta (b) and beta-prime (b’), with molecular masses of 150 and 160 kD, respectively.

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#Unit 3. Fundamental Processes

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#Unit 3. Fundamental Processes

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#Unit 3. Fundamental Processes

The division of a bacterium into two daughter cells is accomplished by the formation of a septum.

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#Unit 3. Fundamental Processes

Septum, a structure that forms in the center of the cell as an invagination from the surrounding envelope

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#Unit 3. Fundamental Processes

The rodlike shape ofthe bacterium is maintained by three proteins: MreB, PBP2, and RodA.

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#Unit 3. Fundamental Processes

The structure of MreB protein resembles that of the eukaryotic protein actin, which polymerizes to form cytoskeletal filaments in eukaryotic cells.