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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.
Zymogen :- an inactive form of an enzyme; becomes active prior to its action.
From an ecological point of view, species richness alone has limited value. More meaningful measures use the number of different species in a given area (species richness) as well
Explain the Most Probable Number (MPN) Techniques? Different procedures and media may be used depending on the food tested and the information sought. Media which can be used i
Intergenic: Amongs the two genes; for example intergenic DNA is the DNA found amongs two genes. The term is frequently used to mean non-functional DNA (or at least DNA with no kno
Define Fat requirement for cancer patients? During cancer there is enhanced mobilization of free fatty acids from adipose tissues resulting in subsequent depletion of total bod
Chlorophyll is the pigment in the green plants which absorbs solar energy. chlorophyll a - It is a green photosynthetic pigment common to all the photosynthetic organisms.
Zoonotic paramyxoviruses Three zoonotic paramyxoviruses (Hendra, Menangle, and Nipah viruses) emerged during 1994-2004 and all these viruses have a fruit bat reservoir. Humans are
Vitamins Animals cannot sustain a healthy life if they are fed on a diet having only carbohydrates, fats and proteins. They also require vitamins in small quantities in the r
Q. Procedures Adopted by Numerical Taxonomists? Since numerical taxonomy is an operational science, the procedure is divided into a number of repeatable steps, allowing the res
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele
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