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Phagocytosis is the ingestion of huge particles like as bacteria and cell debris by large endocytic vesicles called as phagosomes. In order to be ingested the particle must first bind to the surface of the phagocyte, normally by specialized cell surface receptors. Once it is bound to the receptors, the phagocyte is stimulated to start engulfing the particle with its plasma membrane, therefore enclosing it within a phagosome given in the figure. The phagosome then fuses with a lysosome and the ingested particle is broken down. The Utilizable material will be elated into the cytosol, although indigestible substances will stay in the lysosomes building residual bodies. In protozoa, phagocytosis is a form of feeding whereas the ingested material is broken down in the lysosomes and utilized as food.
Wind as a medium for Dispersal Many microorganisms, fungal spores and bacteria are freely transported over long distances even by moderate winds. In wind pollinated plants, the
Among the different natural hazards, earthquakes happen to be the most feared and dangerous because of their sudden impact and the devastation they cause in a matter of few seconds
Q. What are the Physical Signs of aortic stenosis? Typically the carotid pulse in severe aortic stenosis is delayed (pulsus tardus). It is also decreased in amplitude (pulses p
Prevention and Control of Shigella food borne infection The control of Shigella food borne infection is similar to that of salmonellae; avoiding contamination of foods by ani
Blastula is the ball of cells surrounding a fluid-filled cavity (known as blastocoel) which is produced by the cleavage of a zygote.
Iron deficiency should be treated with supplemental iron. • Osteoporosis should be treated with calcium and vitamin D supplements. • Depending on individual factors, patien
What is an operon, and in what type of organism are operons found? An operon is a series of genes that code for exact products and the regulatory elements that control those ge
Explain the Nutritional Factors that affecting food choice? Food choices made based on sound principles of nutrition will be conducive to good health while carelessness about n
Rapidly Flowing Waters - Biota of Rivers In the rapidly flowing section of the river, the water current is the dominant feature. Everything that is not attached or weighed is
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
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