Koj yuav nrhiav tau ib tug prophage nyob qhov twg?

Cov txheej txheem:

Koj yuav nrhiav tau ib tug prophage nyob qhov twg?
Koj yuav nrhiav tau ib tug prophage nyob qhov twg?
Anonim

Ib tug prophage yog ib tug bacteriophage (feem ntau luv rau "phage") genome ntxig thiab sib xyaw ua ke rau hauv cov kab mob DNA chromosomelos yog muaj nyob rau hauv extrachromosomal plasmid. Qhov no yog ib daim ntawv latent ntawm phage, uas cov noob kab mob muaj nyob hauv cov kab mob uas tsis ua rau muaj kev cuam tshuam ntawm cov kab mob ntawm tes.

Yuav ua li cas yog prophage hauv biology?

: an intracellular daim ntawv ntawm cov kab mob bacteriophage uas nws tsis muaj mob rau tus tswv tsev, feem ntau yog muab tso rau hauv cov khoom siv ntawm tus tswv tsev, thiab rov tsim dua thaum tus tswv tsev ua.

Prophage Chav Kawm 11 yog dab tsi?

teb kom tiav: Ib qho prophage tuaj yeem yog a bacteriophage genome uas yog embedded thiab koom ua ke rau hauv cov kab mob DNA chromosome Qhov no feem ntau yog ib qho tsis muaj zog ntawm phage uas cov kab mob zoo tshwm sim hauv cov kab mob uas tsis ua rau muaj kev cuam tshuam ntawm cov kab mob ntawm tes.

Yuav ua li cas yog prophage nyob rau hauv lub voj voog lysogenic?

Thaum lub voj voog lysogenic, tsis txhob tua tus tswv tsev, phage genome koom ua ke rau hauv cov kab mob chromosome thiab dhau los ua ib feem ntawm tus tswv tsev. Lub integrated phage genome yog hu ua prophage. Cov kab mob uas muaj cov tshuaj tiv thaiv yog hu ua lysogen.

Puas yog prophage yog DNA lossis RNA?

Zoo li lwm hom kab mob, cov kab mob bacteriophages sib txawv hauv lawv cov duab thiab cov khoom siv caj ces. Phage genomes tuaj yeem muaj DNA lossis RNA, thiab tuaj yeem muaj tsawg li plaub lub noob lossis ntau li ntau pua 1, 2, 3 ^{1, 2, 3} 1, 2, 3start superscript, 1, comma, 2, comma, 3, end superscript.

Pom zoo:

Koj tuaj yeem nrhiav tau nyob qhov twg?

Koj tuaj yeem nrhiav tau nyob qhov twg?

Hnub no, onagers nyob hauv deserts thiab lwm thaj chaw arid ntawm Iran, Pakistan, India, thiab Mongolia, suav nrog hauv Central Esxias cov suab puam kub thiab txias ntawm Kazakhstan, Uzbekistan, Turkmenistan, thiab Tuam Tshoj. Tsis yog cov suab puam, nws nyob hauv cov nyom, tiaj, steppes, thiab savannahs .

Koj tuaj yeem nrhiav tau tus nquab nyob qhov twg?

Koj tuaj yeem nrhiav tau tus nquab nyob qhov twg?

Ntxiv rau North Atlantic cov pej xeem uas suav ntau dua 10 lab, cov pej xeem me me ntawm Dovekies-tej zaum 10 khub-tseem nyob ntawm St. Lawrence Island, Alaska, hauv hiav txwv Bering. Dovekie qee zaum tshwm sim tawm ntawm thaj tsam sab hnub tuaj ntawm ntug dej hiav txwv North America hauv kev puas tsuaj loj ntawm cov noog uas tsis muaj zog .

Qhov twg yuav nrhiav tau ib tug ntoo elf kom paub qhov transmundane?

Qhov twg yuav nrhiav tau ib tug ntoo elf kom paub qhov transmundane?

Ntoo Elves (screen saum toj no) tuaj yeem ntsib hauv feem ntau cov chaw pw hav zoov thiab qhov tsua uas nyob hauv cov neeg yos hav zoov. Yog tias koj tsis xav nkim sijhawm los nrhiav ib tus tswvcuab ntawm haiv neeg no, koj tuaj yeem mus rau Pinepeak Cavern (screen saum toj no) nyob sab xis ntawm Ivarstead.

Yuav nrhiav tau jarosite nyob qhov twg?

Yuav nrhiav tau jarosite nyob qhov twg?

Jarosite tau pom nyob rau hauv cov dej khov nab kuab uas tau muab rho tawm los ntawm Antarctica los ntawm pab pawg kws tshawb fawb thoob ntiaj teb tsis ntev los no . jarosite tuaj qhov twg? Cov ntxhia sulfate no yog tsim los ntawm ore deposits los ntawm oxidation ntawm hlau sulfides.

Koj yuav nrhiav tau ib tug xibhwb nomadism nyob qhov twg?

Koj yuav nrhiav tau ib tug xibhwb nomadism nyob qhov twg?

Ntawm qhov kwv yees li 30–40 lab tus kws saib xyuas kev noj qab haus huv thoob ntiaj teb, feem ntau pom muaj nyob hauv central Asia thiab thaj tsam Sahel ntawm North thiab West Africa, xws li Fulani, Tuaregs, thiab Toubou, nrog rau qee qhov hauv Middle East, xws li kev lig kev cai Bedouins, thiab lwm qhov chaw ntawm Africa, xws li Nigeria thiab Somaliland .