Dab tsi yog qhov cuav xim tsom iav?
Dab tsi yog qhov cuav xim tsom iav?

Video: Dab tsi yog qhov cuav xim tsom iav?

Video: Dab tsi yog qhov cuav xim tsom iav?
Video: khuv xim koj ua dab tsi By Paj vuam vaj nkauj tawm tshiab 2023 2024, Kaum ib hlis
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Nws txhais li cas yog tias micrograph yog cuav - xim ?” Nws txhais tau tias cov khoom muaj xim tsim los ntawm lub computer txij li electron microscopes yeej pom dub thiab dawb. Lawv feem ntau sib txawv ntawm qhov ntau thiab tsawg ntawm 5-50 micrometers, lawv nyob ib puag ncig los ntawm acell membrane, thiab feem ntau tsis tuaj yeem pom yam tsis muaj microscope.

Hauv qhov no, txhua lub cell muaj dab tsi?

Txhua lub hlwb , seb lawv yog prokaryotic oreukaryotic, muaj qee yam nta . Qhov ntau nta prokaryotic thiab eukaryotic cell yog : DNA, cov khoom siv caj ces muaj nyob hauv ib lossis ntau tus chromosomes thiab nyob hauv thaj tsam nonmembrane bound nucleoid hauv prokaryotes thiab amembrane-bound nucleus hauv eukaryotes.

Ib sab saum toj no, dab tsi yog 3 nqe lus ntawm txoj kev xav ntawm tes? Teb ceev. Cov peb qhov chaw ntawm cov celltheory muaj li nram no: (1) Txhua yam muaj sia yog tsim los ntawm hlwb , (2) Cells yog cov chav tsev me tshaj plaws (lossis feem ntau lub tsev thaiv) ntawm lub neej, thiab ( 3 ) Txhua hlwb los ntawm preexisting hlwb los ntawm cov txheej txheem ntawm cell kev faib.

Tom qab ntawd, lo lus nug yog, qhov txawv ntawm qhov ntxhib thiab du ER quizlet yog dab tsi?

Rough ER cov muaj ribosomes rau ntawm qhov chaw thiab tsim ntau ntau ntawm cov proteins rau xa tawm. Smooth ERs muaj ib phau ntawm tshwj xeeb enzymes thiab tsis muaj ribosomes ntawm nws nto.

Ob qhov tseem ceeb ntawm lub cell yog dab tsi?

Cytoplasm thiab Nucleus.

  • Cytoplasm. ib feem ntawm lub cell sab nraum lub nucleus.
  • Organelles. cov qauv uas ua zoo li cov kabmob tshwj xeeb "cov kabmob me me"
  • Cells yuav muab piv rau
  • Lub nucleus muaj
  • Lub hnab ntawv Nuclear.
  • Chromosomes.
  • Nucleolous.
  • Pom zoo: