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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.
difference between the respiration occurs in lower and higher organisms
As bone looses width, height, volume, the attached gingiva gradually decreases and is prone to abrasions caused by the overlying prosthesis. In addition high muscle attachments and
Clone (verb) is the action of duplicating the genetic material within a vector. To clone the piece of DNA, one would insert it into some type of the vector (like, a plasmid) and p
Genes and Alleles The inheritance of any character can be studied only when thcre are two contrasting conditions, such as yellow versus green seed colour (as observed by Mendel
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Photosynthesis is the most significant producer of molecular oxygen (O2) on our planet. From which molecule do oxygen atoms liberated by photosynthesis come? From which other molec
Define about the Miracidium Larva?
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