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  4. Lysosomes have acidic environment inside their vesicles due to

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Q. Lysosomes have acidic environment inside their vesicles due to

BHUBHU 2012Cell : The Unit of Life

Solution:

To maintain their internal acidic pH, lysosomes must actively concentrate $H^+$ ions (protons). This is accomplished by a proton pump in the lysosomal membrane, which actively transports protons into the lysosome from the cytosol. This pumping requires expenditure of energy in the form of ATP hydrolysis, since it maintains approximately a hundred-fold higher $H^+$ concentration inside the lysosome.