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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.
(a) Why are herbivores considered similar to predators in the ecological context Describe? (b) Differentiate among the following interspecific interactions in a population :
Adverse Effects of Bronchospasm Nasal and throat discomfort can occur. Bronchospasm, sometimes severe, has been reported uncommonly in patients with reactive airway disease; za
Q. What is the life cycle of ascaris? The Adult ascaris that live within the human intestine can release up to 200 thousand eggs a day. The eggs are eradicating with human fece
Use of Chlamydia in Pregnancy Doxycycline, other tetracyclines and the flour quinolones generally should not be used during pregnancy. Azithromycin appears to be safe in pregn
State in brief about the nuclear DNA The nuclear DNA is distributed between two or more chromosomes, the number of which varies among different eukaryotes, and is characterist
Define Harvard Step Test - aerobic capacity? In this test, the subject steps on and off an 18-inch platform at a rate of 30 times per minute. The evaluator records the subject'
Q What is osmotic pressure? Osmotic pressure is the pressure produced in an aqueous solution by a region of lower solute concentration upon a region of higher solute concentrat
Can enhancers work in Trans? That is, can an enhancer on one piece of DNA activate a promoter on another piece of DNA? Propose an experiment to test this. Be sure to discuss any ap
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
Before we further proceed to discuss the fossil history of the humans we shall briefly look into what distinguishes humans or genus Homo from his ancestors namely the apes. These d
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