Yim ntxaib puas muaj ib yam dna?

Cov txheej txheem:

Yim ntxaib puas muaj ib yam dna?
Yim ntxaib puas muaj ib yam dna?
Anonim

Nws muaj tseeb tias zoo tib yam ntxaib faib lawv DNA code rau ib leeg. Qhov no yog vim cov menyuam ntxaib zoo tib yam tau tsim los ntawm tib cov phev thiab qe los ntawm lawv txiv thiab niam. (Qhov sib txawv, cov menyuam ntxaib yog tsim los ntawm ob lub phev sib txawv thiab ob lub qe sib txawv.)

Cov menyuam ntxaib puas muaj DNA tib yam?

Nyob rau hauv txoj kev tshawb fawb tshiab ntawm ntau dua 300 khub ntawm cov menyuam ntxaib zoo ib yam, tsuas yog 38 muaj DNA zoo tib yam. Kev tshawb fawb luam tawm thaum Lub Ib Hlis 7 hauv phau ntawv journal Nature Genetics qhia tias cov menyuam ntxaib zoo ib yam txawv ntawm qhov nruab nrab ntawm 5.2 genetic mutations.

Yuav ua li cas feem pua ntawm DNA ua tus menyuam ntxaib sib koom?

Meanwhile, tib tus menyuam ntxaib sib koom 100 feem pua ntawm lawv cov DNA, thiab cov kwv tij ntxaib sib faib 50 feem pua ntawm lawv cov DNA (sib npaug li cov kwv tij).

Puas yog cov kwv tij uas tsis zoo ib yam ntxaib muaj DNA tib yam?

"Nruab nrab" thiab "Txog"

Technically nws muaj peev xwm rau cov kwv tij sib koom tsis muaj DNA lossis tag nrho lawv DNA (txawm tias lawv tsis zoo ib yam ntxaib). Qhov no muaj tseeb vim hais tias tus nqi uas ob tus neeg muaj feem cuam tshuam nrog caj ces tag nrho yog nyob ntawm kev sib xyaw ua ke!

Pob ntxaib zoo tib yam los ntawm niam los yog txiv?

Yog li, muaj tus menyuam ntxaib tsis yog vim yog caj ces. Ntawm qhov tod tes, cov kwv tij ntxaib tuaj yeem khiav hauv tsev neeg. Qhov tseeb, tus poj niam uas muaj kwv tij uas yog kwv tij ntxaib yog 2.5 npaug ntawm qhov yuav muaj menyuam ntxaib tshaj qhov nruab nrab!

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
Nyeem ntxiv

Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

Puas yog acetamide muaj ntxhiab tsw?
Nyeem ntxiv

Puas yog acetamide muaj ntxhiab tsw?

Cov tshuaj acetamide yog cov tshuaj acetic acid-derived uas tau txheeb pom tias yog tsw zoo li ammonia lossis vinegar. Nws tseem yuav cling rau qhov chaw uas musculus nyob rau hauv pw tsaug zog thiab yuav tau txais zaub mov scrounge. Vim li cas acetamide yaj hauv dej?

Kuv puas tau mob plawv?
Nyeem ntxiv

Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.