A: Bacillus and Coccus types of bacteria are | vedclass

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(A) Bacteria are prokaryotic organisms that can exist as single cells or in colonies. Many bacteria,after cell division,do not separate completely but

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$A$ and $R$ are both true and $R$ is the correct explanation of $A$.

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(A) Bacteria are prokaryotic organisms that can exist as single cells or in colonies. Many bacteria,after cell division,do not separate completely but remain attached to each other due to the secretion of a slimy or mucilaginous substance (glycocalyx). This results in the formation of colonial structures,such as chains (e.g.,in Streptococci) or clusters (e.g.,in Staphylococci). Therefore,both the assertion $(A)$ and the reason $(R)$ are correct,and the reason $(R)$ correctly explains why bacteria are found in colonial forms.

$A$: Bacillus and Coccus types of bacteria are found in colonial forms.
$R$: In bacteria,cells formed by cell division remain surrounded by a secreted slimy substance.

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$A$: Bacillus and Coccus types of bacteria are found in colonial forms.$R$: In bacteria,cells formed by cell division remain surrounded by a secreted slimy substance.