Which one of the following structures or components is not always pr

Which one of the following structures or components is not always present in living cells ?

[amp_mcq option1=”Cell wall” option2=”Plasma membrane” option3=”Cytoplasm” option4=”Genetic material” correct=”option1″]

This question was previously asked in

UPSC NDA-1 – 2023

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The correct answer is A) Cell wall.

While the plasma membrane, cytoplasm, and genetic material (DNA or RNA) are fundamental components found in *all* living cells (both prokaryotic and eukaryotic), the cell wall is not universally present.

A cell wall is a rigid outer layer found in plant cells, fungal cells, bacterial cells, and some protists. However, animal cells, which are also living cells, lack a cell wall. Therefore, the cell wall is not always present in living cells.

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