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第772章 天疫魔君解释,病毒为什么是生命不可或缺的一部分(1 / 2)

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画面跳到现代细胞的线粒体,像无数个小发动机在工作:

“你们以为线粒体是细胞自己进化来的?

错了,它曾是被细胞吞掉的古菌病毒,最后和细胞达成契约——我给你能量,你给我庇护。”

病毒体们化作千万颗微尘,飘进细胞的细胞核,“现在你们染色体上藏着的病毒化石,就像细胞和病毒互赠的礼物,证明它们早就明白:单独生存太难,不如一起走。”

他的声音突然低沉,像在说一个古老的秘密:

“细胞和病毒的起源,其实是同一道题的两种解法。

细胞把基因藏在城堡里,靠稳定求生存;

病毒把基因装在快递盒里,靠灵活求延续。

没有谁更高级,没有谁更早出现,它们从一开始就是生命这枚硬币的两面——一面是守护,一面是流浪;

一面是定居,一面是传播。”

最后,所有画面汇聚成人类胚胎的第一缕心跳,病毒体们轻轻落在礼铁祝的指尖:

“直到今天,你们的细胞还在和病毒跳着古老的双人舞。

病毒教会细胞识别‘自己人’和‘外来者’,细胞教会病毒如何在宿主的世界里‘低调寄生’。

生存从来不是你死我活,而是像原始汤里的分子们那样——你借我一段基因,我帮你搭个外壳,磕磕绊绊地,把生命的故事往下写。”

商燕燕忽然想起小时候玩的拼图,原来生命的最初,就是病毒和细胞这两块看似对立的拼图,严丝合缝地拼出了第一个会呼吸的细胞。

而此刻落在她掌心的,不是敌人,也不是朋友,而是一段写满生存智慧的古老代码——从四十亿年前的热汤开始,病毒和细胞就明白:

真正的永生,从来不是独自闪耀,而是让彼此的基因,在共生的长河里,永远流淌。

天疫魔君的晶状病毒体突然化作千万只荧光蝴蝶,翅膀上闪烁着RNA链与氨基酸分子的微光,它们围绕着一团正在自我组装的脂质泡翩翩起舞,仿佛在重现生命最初的舞会:

“看这团浑浑噩噩的‘原始黏液’,它既不是病毒,也不是细胞,却藏着生命最本真的矛盾——想保存自己,又想扩张自己。”

蝴蝶们突然用翅膀勾住脂质泡,将一片RNA链推进泡内,“当病毒的祖先第一次把基因送进原始细胞的雏形,它们就像两个在荒原上相遇的流浪者,一个有‘代码’,一个有‘帐篷’,从此开始了长达四十亿年的合住生活。”

画面中,脂质泡逐渐长出凸起的“伪足”,笨拙地包裹住病毒送来的RNA片段,却在这个过程中意外获得了复制能力:

“单细胞的‘城堡’从来不是闭门造车,它的‘城墙’(细胞膜)上至今还留着病毒‘快递员’进出的痕迹。

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