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Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

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Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat
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(3) RNA molecules without protein coat
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