نتایج جستجو برای: the yolk became hetero generous
تعداد نتایج: 16056313 فیلتر نتایج به سال:
To reveal differentiation potency of yolk-sac endoderm, this tissue from quail embryos was cultured alone or in association with digestive-tract mesenchymes of chick embryos. When yolk-sac endoderm was cultured alone in vitro, the endoderm of the area vitellina differentiated into the yolk-sac parenchyma, but the endoderm of the extraembryonic area pellucida (EEAP) failed to differentiate into ...
JCB • VOLUME 170 • NUMBER 3 • 2005 336 MMPs rearrange DNA atrix metalloproteases (MMPs) create havoc both outside and inside a cell to pave the way for tumorigenesis, based on findings from Derek Radisky, Mina Bissell (Berkeley Lab, Berkeley, CA), and colleagues. MMPs are known to support cancer progression by their ability to degrade the matrix and clear the way for invasion and metastasis. Bi...
Rare cases of genuine (i.e. field-free) SMM have been found for mixed 3d-4f-5d ring-shaped compounds with Tb(III) (Ueff/kB = 23.0 K) or Dy(III) (Ueff/kB = 26.4 K). The ferromagnetic interactions between the transition metals are shown to play an essential role in this feature.
To elucidate the molecular mechanisms underling hydration during oocyte maturation, we characterized the structure of Japanese eel (Anguilla japonica) novel-water selective aquaporin 1 (AQP1b) that thought to be involved in oocyte hydration. The aqp1b cDNA encodes a 263 amino acid protein that includes the six potential transmembrane domains and two Asn-Pro-Ala motifs. Reverse transcription-pol...
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