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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.
Why are the tropical forests also known as stratified forests? In tropical forests tall trees of various species have their crowns forming a superior layer under which diverse
Define about the Sporocyst Larva? Sporocyst is the second larval stage in the life cycle of F. hepatica. It develops from the miracidium larva within the pulmonary chamber of
If the generation time (t) is the incubation time (t) per generation (G), or t = t/G, rewrite the formula you derived in question 2 for bacterial population growth in terms of incu
Q. Explain about Catheters and Guide Wires? The commonly used guide wires vary in diameter from 0.012 to 0.052; with 0.035 or 0.038 being the most commonly used sizes. The stan
What is general characteristics of invertebrates
Estimation of Burn Area: The estimation of the extent of burn area expressed as the percentage of the surface area of the skin burnt to the total body surface
What is the Food Processing? Food processing, as you learnt earlier, involves the conversion of raw materials and ingredients into an acceptable food product for the consumer.
Processing of roughage Roughages constitute the bulk of the ration of farm animals and these include green fodder (leguminous and non-leguminous), grasses, and various crop re
A.N.S. (Autonimic Nervous System) Name given by Langley . Controled by Hypothelamus. Partially independent system. Controls involuntary actions as heart beat, breathing,
Explain Coelomates? Recall that Acoelomates have solid bodies, and Pseudocoelomates have body cavities that form between the endoderm and the mesoderm. In contrast, the body ca
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