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Galvanotaxis - Modes of Cell Movement
Galvanotaxis considers to the movement of cells in response to a potential variation between cells. It is suggested that there are voltage differences among embryonic regions that could play an important role in morphogenesis. Minute electric fields of the order of 10 to 100 mv/mm appear to be enough to alter the direction of nerve growth. Nuccitelli and Erickson (1984) displayed that embryonic chick fibroblasts migrate toward negative pole when cultured in small steady electrical field. Early chick embryos, regenerating blastema of amphibians and moth ovaries while transportation of yolk proteins occurs, arc some of the structures where large electric currents have been detected.
What are the differences between the two domain
the appendages of arthropods; a. may serve as walking legs, b. may be modified into atennae, c. may be modified into large pincers, or d. all of the above
difference between anaerobic respiration and fermentation
What is lamarckism? Lamarckism is the theory that unites the law of use and disuse with the law of the transmission of acquired characteristics, i.e., that asserted that acquir
Poultry birds are affected with many types of ailments; broadly these are classified on the basis of etiology as non-infectious and infectious conditions. Non-infectious diseases a
What is Plastids? The most obvious difference between plant cells and other eukaryotic cells is that cells of most plants contain unique organelles called plastids, which inclu
Q. What are the three kinds of respiration in which the circulatory system transports gases? The circulatory system has an important role in branchial respiration, cutaneous re
Braiding technique for SP removal: - Three small size files inserted alongside the silver point. - Files twisted together to engage silver point - Withdraw the f
Q. Why is meiosis significant for the maintenance of the normal quantity of chromosomes of a species with sexual reproduction? A reduction to a half of the maximum normal quant
Q. Define Primary and Somatic Sensory Area? Primary Sensory Area - Located in postcentral gyrus in parietal lobes (just posterior to central sulcus). Neurons here receive info
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