9789388998970 - cell and developmental biology von pardeshi, karruna santoshasing & a k dubey (1 Ergebnisse)
- Hardcover
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Hardcover. Zustand: New. Developmental biology is the science of explaining how a variety of interacting processes generate an organism's heterogeneous shapes, size, and structural features that arise on the trajectory from embryo to adult, or more generally throughout a life cycle. It represents an exemplary area of contemporar…y experimental biology that focuses on phenomena that have puzzled natural philosophers and scientists for more than two millennia. DNA is segregated away from the cytoplasm within the nucleus, although, as we have seen, the isolation of the nucleus from the cytoplasm is by no means complete since there are a number of pores which are present in the nuclear membrane and which lead into the cytoplasm as such. But the significant thing about DNA is that practically all of it in the cell is localized in the nucleus and it is the DNA that has the major genetic function in the cell. Fertilisation (also known as conception, fecundation and syngamy), is the fusion of gametes to produce a new organism. In animals, the process involves the fusion of an ovum with a sperm, which eventually leads to the development of an embryo. Depending on the animal species, the process can occur within the body of the female in internal fertilisation, or outside in the case of external fertilisation. An outstanding feature of Cell and Developmental Biology is a wealth of exceptionally clear and vivid illustrations that complement the text, resulting in a succinct yet fully up-to-date treatment of this rapidly changing field. Contents 1. Introduction to Cell Biology 2. Structure and Functions of Nucleus Cell 3. Spematogenesis; Oogenesis; Fertilization; Parthenogenesis and Regeneration 4. Development of Frog 5. Development of Chick.
