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Openai/68bc134b-ee74-800c-bab4-ef47584be87b
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=== Assistant: 病毒就比較特別了 😅。 === 病毒就比較特別了 😅。 在科學界,病毒算不算生物一直是爭論很久的問題。理由是: 🔹 像生物的地方: * 有遺傳物質(DNA 或 RNA)。 * 會突變、演化,甚至能適應環境(例如變種)。 🔹 不像生物的地方: * 沒有細胞結構。 * 沒有自己的代謝系統,不能自行獲取能量或製造蛋白質。 * 在宿主細胞外只是「一個粒子」(叫做病毒顆粒或病毒體),完全不活動。 * 只能進入宿主細胞後,利用宿主的機器來複製自己。 所以,有些科學家稱病毒是「介於生命與非生命之間的存在」,不完全符合生物的定義。 👉 常見的說法是: * 在宿主細胞內:像生物,能複製、演化。 * 在宿主細胞外:像化學物質,只是個分子結構。 換句話說,病毒就像是「半吊子的生命」,不能算典型的生物。 要不要我幫你整理一個表格,把 細菌 vs 病毒 的差異對比清楚?
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