The impact of the mutation when this phagocytic cell ingests a pathogen when the lysosome will not degrade the pathogen effectively. hence, the option d is correct.
Hydrolytic enzymes are to be found in the cell lysosome. At the time when there is mutation in the hydrolytic enzyme when there is degradation of pathogen in the lysosome that should not be arise because of non functional nature of the hydrolytic enzyme.
The pseudopodia, vacuole will generated in a normal way in a cell since mutation will not impact the structure.
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