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Je, erithrositi zina viungo?

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Je, erithrositi zina viungo?
Je, erithrositi zina viungo?

Video: Je, erithrositi zina viungo?

Video: Je, erithrositi zina viungo?
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Seli nyekundu za damu huchukuliwa kuwa seli, lakini hazina kiini, DNA, na oganelles kama vile endoplasmic retikulamu au mitochondria. Seli nyekundu za damu haziwezi kugawanyika au kurudia kama seli zingine za mwili. Haziwezi kuunganisha protini kivyake.

Je, erithrositi zimejaa viungo?

Erithrositi ni diski za biconcave; yaani, ni wanene pembezoni mwao na ni nyembamba sana katikati (Mchoro 2). Kwa kuwa hawana viungo vingi, kuna nafasi zaidi ya ndani ya uwepo wa molekuli za himoglobini ambazo, kama utakavyoona, husafirisha gesi.

Je, erithrositi zilizokomaa zina viungo?

RBC zilizokomaa hazina DNA na haziwezi kuunganisha RNA, kwani hazina viini na oganelles.

Kwa nini chembechembe nyekundu za damu hazina viungo?

Majibu maarufu (1) Chembe nyekundu za damu zilizokomaa (RBCs) hazina kiini pamoja na chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe chembe chembe chembe chembe chembe chembe chembe chembe za chembe hai kama vile mitochondria, vifaa vya Golgi na endoplasmic retikulamu ili kuchukua kiwango kikubwa cha hemoglobinkatika visanduku.

Je erithrositi ina mitochondria?

Chembechembe nyekundu za damu za mamalia (erythrocytes) hazina kiini wala mitochondria Nadharia ya kimapokeo inapendekeza kuwa kuwepo kwa kiini kunaweza kuzuia erithrositi kubwa yenye nyuklea kupenyeza kupitia kapilari hizi ndogo. … Na, hakuna sababu nzuri ya kuacha mitochondria kwa chembe hai.

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