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Explain about Bioactive materials
Bioactive materials: Certain glasses, ceramics, and glass-ceramics that contain oxides of silicon, sodium, calcium and phosphorus (SiO2 , Na2O, CaO, and P2O5 ) form a chemical bond with bone, resulting in a strong mechanical implant bone bond. These materials do bond to bone through a time-dependent, kinetic modification of the surface triggered by their implantation within living bone. An ion-exchange reaction between the bioactive implant and surrounding body fluids results in the formation of a biologically active calcium phosphate layer on the implant. This layer is chemically and crystallographically equivalent to the mineral phase in bone which is responsible for the strong interfacial bonding.
What do biomass pyramids represent? The Biomass pyramids represent the sum of the masses of the individuals that participate in each trophic level of a food chain.
Explain the Confirmed Test - Most Probable Number Test? Confirmed test is carried out to rule out the possibility of any positive presumptive test because of the presence of no
What is the meaning of Food Exchanges Food exchanges mean grouping of foods in which the specified amount of all the food provides approximately equal amounts of carbohydrate,
FUNCTION S - (a) It is antagonistic to glucagon. Insulin decreases the level of glucose in the blood. It acts by increasing the rate at which glucose is transported out of the
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Which of the following statements is correct? A. Hemoglobin binds O2 cooperatively, while myoglobin does not. B. Myoglobin binds O2 cooperatively, while hemoglobin does not.
Taxonomic Hierarchy The sheer complexity of organisms seems so bewildering that some people believe, life to be unfathomable by the rational mind. Biologists constantly chip aw
how are excretory products brought to the excretory organs to be excreted?
Q. What are the physiological systems known as integrative systems? Why is this designation justified? The integrative systems are the endocrine system and the nervous system.
Q. Explain about Lactose Intolerance? We commonly hear from people of all age groups, particularly children and elderly to be complaining of abdominal discomfort after consumin
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