Mhariri wa Mwenyewe
Polly learns that octopuses can change their own nervous systems by editing RNA in real time.
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Keep it on your phone โAsubuhi ya sita, Chiara alitengeneza kahawa. Aliketi karibu na tanki pamoja na Polly.
Pasta alikuwa amening'inia kichwa chini. Mwili wake ulipiga polepole. Mikono yake ilielea.
"Nataka kukuambia jambo moja zaidi," Chiara alisema. "Ni jambo la kushangaza zaidi ninajua kuhusu pweza."
DNA ni mpango wa muda mrefu wa mnyama. RNA ni nakala ya kazi.
Kwa wanyama wengi, RNA inafanana na DNA. Lakini kwa pweza, RNA haifanani. Seli huandika upya sehemu za RNA inapoizalisha. Marekebisho mengi hutokea katika mfumo wa neva.
"Kwa nini?" Chiara alisema. "Inamruhusu pweza kubadilisha mfumo wake wa neva. Inaweza kurekebisha ubongo wake kulingana na joto la maji au chakula chake."
Pasta alielea. Ngozi yake karibu na macho iligeuka rangi ya waridi laini na kahawia.
"Kila pweza ni mnyama tofauti kidogo," Chiara alisema. "DNA ni ile ile. Lakini mashine ya kazi inajengwa upya, kwa maji hayo na chakula hicho."
Polly alifikiria kuhusu ubongo wake mwenyewe. Ulikuwa wake. Hakutaka ubadilike. Lakini alipenda kujua kuwa wanyama kama Pasta walikuwepo.
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