Biology as Poetry: Cell Biology

Bacteriophage Ecology Group

Inner Membrane

Equivalent to plasma membrane in Gram-negative bacteria.

Contrast with outer membrane.

A homologous and equivalently named structure is also found in both mitochondria and chloroplasts. In those endosymbiotic organelles the inner membrane is surrounded by the intermembrane space whereas in Gram-negative bacteria the inner membrane instead is surrounded the otherwise intermembrane-space-homologous periplasm.

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