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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 is Post Myocardial Infarction Ventricular Septal Defect ? Post Myocardial Infarction Ventricular Septal Defect (Septal Rupture) The correct terminology is septal
The following progeny genotypes were observed: 73 AaBb, 64 aabb, 279 Aabb, 303 aaBb. Using a chi-square test, test whether these two loci show independent assortment? How would
Question 1: Mention the types of IRBs. If the IRB disapproves clinical study, can the sponsor approach another IRB? Justify your answer. Mention different types of IRBs
Q. Why is cannibalism an inharmonious intraspecific ecological interaction? In the cannibalism an individual eats other of the same species (occurs in some arachnids and insect
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Which of the following results from the elimination of the sliding clamp? A. DNA polymerase will no longer be processive and will fall off the double helix after synthesizing
Q. Is fecundation in mammals external or internal? Fecundation in mammals is internal with copulation. In the contemporary world human technology is able to promote artificial
Define the Importance of Human Milk for Infant Growth and Development? Let us now look at the value of human milk in promoting infant growth and development. Success of lactat
What are bacteriophages? Bacteriophages are viruses specialized in parasitism of bacteria. They are used in genetic engineering as molecular cloning vehicles to insert recombin
What are sols? A colloidal system in which solid particles are dispersed in a liquid is referred to as a sol, to distinguish it from a true solution. In a true solution, the
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