Vim li cas cov ntshav liab liab thiaj kim?

Cov txheej txheem:

Vim li cas cov ntshav liab liab thiaj kim?
Vim li cas cov ntshav liab liab thiaj kim?

Video: Vim li cas cov ntshav liab liab thiaj kim?

Video: Vim li cas cov ntshav liab liab thiaj kim?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Hlis ntuj nqeg
Anonim

Tsis yog, nws tsis yog mis nyuj xiav ntawm "Star Wars." Qhov tseeb yog ntshav los ntawm tus nees nees, thiab cov ntshav no ua rau nqi $60, 000 ib nkas loos … Cov ntshav muaj ib qho tshwj xeeb cotting agent. Nws yog siv los ua ib qho concoction hu ua Limulus amebocyte lysate los yog LAL.

Puas yog cov ntshav liab liab muaj nqis?

Horseshoe crab blood is worth an kwv yees $15,000 a quart, raws li Mid-Atlantic Sea Grant Programs/National Oceanic and Atmospheric Administration Web site (www.ocean. udel.edu).

Yim tsiaj cov ntshav twg raug nqi?

Tus ntshav xiav ntawm Horseshoe Crabkoj pom saum toj no yog ib qho tseem ceeb tshaj plaws, tsis paub thiab siv dav hauv cov dej hiav txwv. Nws noj, nyob rau qee qhov chaw ntawm Asia, tab sis feem ntau cov neeg uas ntes tau crabs ua rau lawv cov ntshav xiav lucrative: ntshav uas muag hauv qee qhov chaw rau ntau npaum li $60,000 ib nkas loos.

Leej twg muaj ntshav xiav?

Qee hom octopus, squid, thiab crustaceans muaj ntshav xiav. Lawv cov ntshav muaj cov ntsiab lus siab ntawm tooj liab. Thaum tooj liab sib xyaw nrog oxygen, nws muab lawv cov ntshav nws cov xim xiav.

Dab twg cov ntshav yog dub?

Brachiopods muaj ntshav dub. Octopuses muaj tooj liab-raws li ntshav hu ua hemocyanin uas tuaj yeem nqus tau tag nrho cov xim tsuas yog xiav, uas nws cuam tshuam, yog li ua rau cov ntshav octopus tshwm xiav.

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