Which of the following is osmotically inactiv | vedclass

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(B) Osmotic activity in cells is primarily regulated by the presence of a rigid cell wall,which prevents excessive swelling or bursting due to osmotic

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Mycoplasma

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(B) Osmotic activity in cells is primarily regulated by the presence of a rigid cell wall,which prevents excessive swelling or bursting due to osmotic pressure.Bacteria and $Nostoc$ (a cyanobacterium) possess a rigid cell wall made of peptidoglycan,which provides structural support and maintains osmotic balance.$Mycoplasma$ is unique because it lacks a cell wall,making it highly susceptible to osmotic changes; however,in the context of biological classification questions regarding osmotic inactivity,the term often refers to the lack of a rigid boundary that resists osmotic pressure.Actually,none of these are truly 'osmotically inactive' in a biological sense,but in many textbook contexts,$Mycoplasma$ is highlighted for its lack of a cell wall,which is the primary structure responsible for managing osmotic pressure. Given the options,if the question implies which organism lacks the structure to resist osmotic pressure,$Mycoplasma$ is the intended answer.

Column-$I$	Column-$II$
$(A)$ Halophiles	$(p)$ Gram-positive bacteria
$(B)$ Firmicutes	$(q)$ Hot springs habitat
$(C)$ Methanogens	$(r)$ Gram-negative bacteria
$(D)$ Spirochetes	$(s)$ Photosynthetic bacteria
$(E)$ Thermoacidophiles	$(t)$ Extremely salty areas
	$(u)$ Responsible for biogas production

Which of the following is osmotically inactive?

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