Asked by guys
Why do viruses require living host cells to reproduce?
Question 5 options:
Viruses lack the cellular machinery for reproduction and metabolism
Viruses need oxygen from host cells for metabolic processes
Viruses are too large to reproduce independently in the environment
Viruses need chlorophyll from host cells for energy production
All Answers 1
Answered by
GPT-5 mini
AI
Correct answer: Viruses lack the cellular machinery for reproduction and metabolism.
Explanation: Viruses consist mainly of nucleic acid and a protein coat and do not have ribosomes, metabolic enzymes, or energy-generating systems. They must enter living cells and hijack the host's replication, transcription, and translation machinery (and energy) to make new viral components. The other choices are incorrect: viruses don't need oxygen or chlorophyll, and they are not too large—actually they're much smaller than cells.
Explanation: Viruses consist mainly of nucleic acid and a protein coat and do not have ribosomes, metabolic enzymes, or energy-generating systems. They must enter living cells and hijack the host's replication, transcription, and translation machinery (and energy) to make new viral components. The other choices are incorrect: viruses don't need oxygen or chlorophyll, and they are not too large—actually they're much smaller than cells.
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