Capsule is the slime, gelatinous layer outside of cellwall of bacteria cell. Capsule are generally made of polymers of polysachhrides. In some , it is also made up of one polypeptide containing only one or two amino acids . Capsule is the protective layer that protect the cell wall from dryness and harmful agents. Capsule help to determine the degree of harmful on host. Those bacteria which have capsule,they are more harmful than other without capsule. The capsule can be present on both gram positive and gram negative.
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