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Answer» Cold and flu are viral disease-----=
Antibiotics interfere with the normal activities of ribosomes in PROKARYOTIC cell by preventing translation of cell's genetic CODE into proteins. Without proteins , the cell has no enzymes and no chemical reactions. A prokaryotic cell treated with an antibiotic soon dies.The ribosomes of eukaryotic cells, on the other HAND, are not adversely affected by antibiotics.
A virus has no ribosomes of it's own. During a viral infection, the virus uses the ribosomes WITHIN its host cell----- a human body cell, for example----- for translation of its genes into viral proteins. Consequently, an antibiotic ( e.g., penicillin, streptomycin, tetracycline) has no EFFECT on the progress of a viral infection in human cells.
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