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Excretion in Protozoans
Excretion of metabolic wastes is dope almost exclusively by diffusion. All protozoans are ammonotelic i.e., the end product of their nitrogen metabolism is ammonia, which is readily diffused in the surrounding medium.
Figure: a) Parumecium with cytopharynx, food and contractile vacuoles and nuclei b) Enlarged section of a contractile vacuole in Paramecium which collects water and expels it outside, performing osmoregulatory functions
Subsequently many such fossils were known from France, Italy and middle East. All such fossils exhibited reduced brow ridges, steep forehead, high rounded cranial vault, short face
Indication of Exchange Transfusion i) Early exchange transfusion is indicated in the presence of hydrops and is often indicated by a history of previously severely aff
Q. Is herbivorism a form of predatism? The Herbivorism is a form of predatism in which first order consumers feed from producers (plants or algae). For instance, fruits and bir
Triglyceride accumulation is not a feature of the atherosclerotic plaque but triglyceride-rich lipoproteins also contain cholesterol esters and it is likely that some of these are
Explain the Tissue Synthesis for Wound Healing in Nutritional Care? Tissue proteins are synthesized only by amino acids brought to the tissues by circulating blood. The necessa
Chemical Composition and Nutritive Values The nutritional quality of an oil meal protein will be affected by the processing conditions to which it is been exposed. Three major
E s o pha g e a l obstruction It is also known as choke. It may be acute or chronic and is characterized by inability to swallow, regurgitation and bloat. E t
What are the four types of weak bonds, and how do they differ from each other and from covalent bonds? When you eat a salad with lettuce, croutons, hard-boiled egg, bacon bits,
The gaseous pollutants can be controlled through the techniques of combustion, absorption adsorption and cold trapping. (a) Combustion: Though combustion is a major cause of i
Ribo Nucleic Acid contains OH group at second carbon where as Deoxyribo Nucleic Acid lacks OH group at Second carbon.....DNA is Double standed helix whereas RNA is single stranded
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