Good pipetting technique is essential for many biologists, but it can be hard to get right. When I take 1 µl of liquid using a micropipette, I seem to always take less than 1 µl, and that amount is
Salamanderis: varliagyvių urodelio pavyzdys. Kas jie yra - biologinis apibrėžimas. Urodeliai taip pat vadinami kaudatu (uodegos pavidalu) - varliagyviai, priklausantys Urodelos kategorijai. Pavadinimas urodelo kildinamas iš graikų kalbos: uros reiškia uodegą, o delos reiškia matomą. Urodelių bendrųjų savybių santrauka: - Varliagyvių urodeliai turi pailgą kūno formą.
I know of Anfinsen's experiments and I'm aware that some denatured enzymes may regain their lost activity through the removal of the denaturant agent. What I'm unaware of is how rare is it for a pr…
Endoreduplication, is a special type of tissue-specific genome amplification that occurs in many types of plant cells and in specialized cells of some animals including humans. An example is the highly endoreduplicated salivary gland polytene chromosomes of D. melanogaster (Figure (PageIndex 21 )) which can have over 1,000 chromatids that align together and form giant chromosomes that show a banding pattern that reflects the underlying DNA sequence and genes in that chromosome region.
