Question #6a0de

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Harsh
Oct 16, 2015

Semi Permeable membrane

Explanation:

Cell membrane is semi permeable , means it will allow only few substances to enter or leave the cell . It contains various Receptors for various enzymes also
In bacteria , since they are SINGLE ENVELOPE SYSTEM ( the only membrane present in them is Plasma Memb. ) it contains enymes for respiration.

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