Men potentsial tartibga soluvchi motivlar sifatida bashorat qilingan DNK motiflari to'plami bilan ishlayapman (masalan, transkripsiya faktorlarini bog'laydigan joylar). Motiflar bir nechta turlarga tegishli va men ularni birlashtirmoqchi edim
Learning ObjectivesDefine biodiversity.Distinguish among ecosystem, species, and genetic diversity, explaining the value of each.Define and provide examples of ecosystem services.Distinguish between species richness and species evenness.Explain the importance of biodiversity hotspots and identify the characteristics of endemic species.
Umuman olganda, alkogol va ayniqsa sharob inson salomatligiga foydali va zararli ta'sir ko'rsatishi mumkinligini o'qidim. Bu haqiqatmi? Sharobni iste'mol qilishning fiziologik ta'siri qanday?
I was out snorkeling at Biscayne Bay in Miami, Florida in the shallow waters near the shore when I saw this fish. What fish is this? I see it has black spots at the bottom and five white lines alo…
In my understanding, the evolutional function of berries is to be eaten and pood out somewhere else, so that the seeds of the plant spread. Is this so? Then why are some berries poisonous?
Ko'pgina urug'li o'simliklarda ikkilamchi o'sish birinchi yilida poyada boshlanadi va yana ko'p yillar davom etadi. Bu o'simliklar yog'ochli deb tasniflanadi. Ular periderm va yog'och kabi ikkilamchi to'qimalarni, qobiq kabi uchinchi darajali tuzilmalarni rivojlantiradi. Ikkilamchi floema va ksilemani (boshqa nomlar metafloem va metaksilem) ishlab chiqarishning birinchi bosqichi - bu tomirlar to'plami ichida hujayralar bo'linishini o'z ichiga olgan tomir kambiyini hosil qilishdir. to'plamlar orasidagi parenxima (rasm (PageIndex 1 )).