Cov txheej txheem:

Koj puas tuaj yeem pom koj tus kheej DNA?
Koj puas tuaj yeem pom koj tus kheej DNA?

Video: Koj puas tuaj yeem pom koj tus kheej DNA?

Video: Koj puas tuaj yeem pom koj tus kheej DNA?
Video: KOB THOJ - KOJ PUAS TSEEM CHIM [OFFICIAL MV] 2024, Kaum ib hlis
Anonim

DNA tsis soluble hauv cawv, yog li nws tsim ib qho khoom uas cov dej cawv thiab dej ntsev sib ntsib. Feem ntau lwm yam khoom los ntawm koj sab plhu hlwb nyob yaj hauv cov dej ntsev txheej. Cov hlua dawb thiab clumps koj pom yog txhiab tus DNA molecules clumped ua ke.

Ntxiv mus, kuv tuaj yeem tshawb xyuas kuv tus kheej DNA li cas?

Yuav Ua Li Cas Extract Koj Tus Kheej DNA hauv Tsev

  1. Kauj Ruam 1: Peb Xav Tau. 500 ml dej.
  2. Kauj Ruam 2: Ntxiv ib tablespoon ntawm slat rau haus dej. Ncuav 500 ml dej rau hauv lub khob yas.
  3. Kauj Ruam 3: Yaug cov dej ntsev.
  4. Kauj Ruam 4: Ntxiv Nplej Nqus Ntxuav Soap.
  5. Kauj Ruam 5: Sib tov Isopropyl cawv thiab 3 tee ntawm zaub mov xim.
  6. Kauj Ruam 6: Ncuav cawv rau hauv lub khob dej ntsev.
  7. Kauj Ruam 7: Cov txiaj ntsig: Tam sim no peb tuaj yeem pom DNA.

Qhov thib ob, koj puas tuaj yeem pom DNA nrog tib neeg lub qhov muag? Nyob rau hauv ib lub microscope, paub ob-helix molecule ntawm DNA tuaj yeem pom . Vim nws nyias nyias, DNA ua tsis tau pom los ntawm qhov muag liab qab tshwj tsis yog nws cov strands raug tso tawm los ntawm cov nuclei ntawm cov hlwb thiab tso cai rau clump ua ke.

Ib yam li ntawd, koj yuav rho tawm DNA los ntawm tib neeg li cas?

Yuav Ua Li Cas Extract DNA

  1. Ua ntej, koj xav ua 8% ntsev tov.
  2. Hauv lwm lub thawv, sib tov ua ke 25 milliliters kua xab npum nrog 75 milliliters distilled dej.
  3. Ncuav 10 milliliters dej rau hauv ib khob.
  4. Muab cov dej tso rau hauv lub khob me me.
  5. Ncuav 1 milliliter ntawm koj cov ntsev tov rau hauv lub khob.
  6. Ntxiv 1 milliliter ntawm cov kua xab npum tov.

Dab tsi hauv tsev koj tuaj yeem siv los rho DNA?

Yam Koj Yuav Xav Tau:

  1. Cheek cell DNA.
  2. 2 lub khob yas me me.
  3. 1 khob dej me me.
  4. 2 tbsp ntsev.
  5. tais xab npum.
  6. 50 mL isopropyl cawv.
  7. 2 tee ntawm zaub mov xim.
  8. 1 Kho hniav.

Pom zoo: