Xem 1-20 trên 20 kết quả Metamorphosis
  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: The genomic response to 20-hydroxyecdysone at the onset of Drosophila metamorphosis...

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  • Mitochondria regulate platelet metamorphosis induced by opsonized zymosan A – activation and long-term commitment to cell death Paola Matarrese1, Elisabetta Straface1, Giuseppe Palumbo2, Maurizio Anselmi2, Lucrezia Gambardella1, Barbara Ascione1, Domenico Del Principe2 and Walter Malorni1 1 Department of Therapeutic Research and Medicines Evaluation, Istituto Superiore di Sanita’, Rome, Italy 2 Department of Pediatrics, University of Rome Tor Vergata, Italy Keywords aggregation; apoptosis; mitochondrial membrane potential; platelets; zymosan Correspondence P.

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  • Juvenile hormone controls the timing of insect metamorphosis. As a final step of juvenile hormone biosynthesis, juvenile hormone acid O-methyl-transferase (JHAMT) transfers the methyl group from S-adenosyl-l-methi-onine to the carboxyl group of farnesoic acid and juvenile hormone acid.

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  • The Metamorphosis. The Transformation. The Makeover. From fairy tales to Walt Disney cartoons to diet pill ads to home improvement television shows, we all have a natural interest in witnessing change taking place before our eyes. The ugly duckling becomes the swan. The neglected step-sister is transformed into a gorgeous beauty at the prince’s ball. The rundown house is made over into the jewel of the neighborhood. When we see these metamorphoses happening to others, we are inspired to emulate these same kinds of changes in our lives.

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  • Động vật là một nhóm sinh vật chính, được phân loại là giới Động vật (Animalia) trong hệ thống phân loại 5 giới. Nhìn chung, động vật là các cơ thểđa bào hoặc đơn bào, có khả năng di chuyển và đáp ứng với môi trường, có thức ăn là các sinh vật khác (dị dưỡng). Sơ đồ cấu tạo cơ thể động vật đã được quy định nghiêm ngặt trong quá trình phát triển cơ thể (ontogeny) từ giai đoạn phôi đến các giai đoạn phát sinh hình thái (metamorphosis) sau đó. ...

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  • Franz Kafka (IPA: [ˈfʀanʦ ˈkafka]) (3 tháng 7 năm 1883 - 3 tháng 6 năm 1924) là một trong những nhà văn lớn của thế kỉ 20. Sinh ra trong một gia đình Do Thái trung lưu tại Praha - cơ đồ về viết lách của ông - rất nhiều chưa hoàn thành và phần lớn xuất bản sau khi ông mất - đã trở thành những tác phẩm có tầm ảnh hưởng bậc nhất của văn học phương Tây. Các tác phẩm nổi tiếng của ông bao gồm các truyện Das Urteil (1913), In der Strafkolonie (1920); tiểu thuyết...

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  • Part 1 introduces business consulting and describes a new way of looking at how it works: the business consulting ecosystem. Parts 2 and 3 focus on what happens within the ecosystem, looking internally at the client market, the consulting industry and other components. Part 2 describes the client world. It looks at the client market for consulting: What drives the demand for consulting?

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  • Index Page numbers in boldfaced type indicate illustrations. Abamectin, Abdomen structure, appendages, embryonic development, 608 Abdominal epidermis, differentiation at metamorphosis, Abdominal ganglia, Abdominal gills, Absorption of insecticides.

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  • Tài liệu TOEFL, GRE, GMAT miễn phí tại: Học bổng mesmerize (v.) hypnotize The swaying motion of the swing mesmerized the baby into a deep sleep. metamorphosis (n.) change of form A metamorphosis caused the caterpillar to become a beautiful butterfly. meticulous (adj.) exacting; precise The lab technicians must be meticulous in their measurements to obtain exact results. mettle (n.) spirit, courage, ardor He proved he had the mettle to make it through basic training. mien (n.

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  • 9 The Panorpoid Orders 1. Introduction In this and the following chapter we shall deal with the endopterygote insects—those that have a distinct pupal instar in which the insect undergoes a drastic metamorphosis from the larval to the adult form.

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  • Sơ đồ cấu tạo cơ thể động vật đã được quy định nghiêm ngặt trong quá trình phát triển cơ thể (ontogeny) từ giai đoạn phôi đến các giai đoạn phát sinh hình thái (metamorphosis) sau đó.

    pdf16p thitkhotieu 28-06-2011 36 4   Download

  • During pupal metamorphosis, the anterior silk glands (ASGs) of the silk-wormBombyx moridegenerate through programmed cell death (PCD), which is triggered by 20-hydroxyecdysone (20E). 20E triggers the PCD of the ASGs of day 7 fifth instar (V7) larvae but not that of V5 larvae.

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  • Polcalcins such as Bet v 4 and Phl p 7 are pollen allergens that are con-structed from EF-hand motifs, which are very common and well character-ized helix–loop–helix motifs with calcium-binding functions, as elementary building blocks. Being members of an exceptionally well-characterized protein superfamily, these allergens highlight the fundamental challenge in explaining what features distinguish allergens from nonallergenic proteins.

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  • The steroid hormone 20-hydroxyecdysone (20E) initiates insect molting and metamorphosis through binding with a heterodimer of two nuclear recep-tors, the ecdysone receptor (EcR) and ultraspiracle (USP). Expression of the specific isoforms EcR-A and EcR-B1 governs steroid-induced responses in the developing cells of the silkworm Bombyx mori.

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  • Prothoracicotropic hormone (PTTH) plays a central role in controlling molting, metamorphosis, and diapause termination in insects by stimulating the prothoracic glands to synthesize and release the molting hormone, ecdysone. Using Autographa californicanucleopolyhedrovirus (AcNPV)-mediated transient gene transfer into the central nervous sytem (CNS) of the silkworm, Bombyx mori, we identified two cis-regulatory elements that participate in the decision and the enhancement ofPTTHgene expression in PTTH-producing neurosecretory cells (PTPCs). ...

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  • One morning, as Gregor Samsa was waking up from anxious dreams, he discovered that in bed he had been changed into a monstrous verminous bug. He lay on his armour-hard back and saw, as he lifted his head up a little, his brown, arched abdomen divided up into rigid bow-like sections. From this height the blanket, just about ready to slide off completely, could hardly stay in place. His numerous legs, pitifully thin in comparison to the rest of his circumference, flickered helplessly before his eyes. ‘What’s happened to me,’ he thought. It was no dream. His room, a...

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  • Changes in the mitochondrial membrane potential play a key role in deter-mining cell fate. Mitochondria membrane hyperpolarization has been found to occur after cell activation, e.g. in lymphocytes, whereas depolar-ization is associated with apoptosis.

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  • Jumonji (Jmj) is a transcriptional repressor that plays important roles in the suppression of cell proliferation and development of various tissues in the mouse. To further clarify the roles of Jmj during development and gain insight into mechanisms of Jmj-mediated transcriptional regulation, we have taken advantage ofDrosophilaas a model organism.

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  • Commonly used gralm~mrs which describe i~turai lan~uages /ex. ATN, Metamorphosis Grammars/ can be hardly applied in describing higly inflectional languages. So I propose a grammar called the grammar with natural context which takes into consideration properties of higly inflectional languages /ex. Polish / as well as structural languages /ex. English/. I introduce its normal form.

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  • Chapter 19 - Cellular mechanisms of development, in this chapter, you will learn: In general terms, compare and contrast plant and animal developmental processes; understand the stages of development, from cleavage to organogenesis, in a model vertebrate; describe the stages of development in a representative insect from the influence of maternal genes to metamorphosis;...

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