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Question

Properties of cell organelles are not always found in the molecular constituents of cell organelles. Justify.

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Solution

Cell, the basic structural and functional unit is composed of many cell organelles, i.e., ER, Golgi apparatus, ribosomes, mitochondria, chloroplasts etc., each with a specific function. Each of these organcells are made up of various moleclules such as proteins, lipids, enzymes, metallic ions like Mg2+,Ca2+,Mn2+,Na+ etc, which helps in the functioning of cell organelles.

e.g., molecular constituents like proteins (60-70%), lipids (25-30%), RNA(5-7%), DNA Mn2+ ETS, ATP synthase, etc. found in mitochondria function together in a coordinated way to carry out cellular respiration and release energy, thus making it power house of cell.

Thus, the molecular constituents of a cell organelle, forms the basis of its functioning irrespective of its individual molecular properties.


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