Which process is a type of reproduction in $E. coli$?

Chromatophores take part in

$S$ - Statement: Bacteria are divided into two groups based on the staining procedure developed by Gram.
$R$ - Reason: Bacteria that take up the Gram stain are called Gram-negative.

Which of the following characters of $Nostoc$ resembles other prokaryotes?

Which of the following are extreme halophiles and thermophiles?

Bacteria lack alternation of generation because there is