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Q. Define 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.
Q. What are compound eyes? Arthropods have compound eyes made of several visual units called as ommatidia. Each ommatidium transmits visual information through the optic nerve
Creb binding protein (CBP) is a histone acetyl transferase (HAT) protein. What role does the addition of acetyl groups to histones play during development? A. The addition of
how do flatworm and round worms respire?
How Delayed Complementary Feeding Cause PEM? The mothers from poorer socioeconomic groups where PEM is more prevalent, delayed introduction of complementary foods (foods in add
Q. What is the Biology field that studies the classification of living beings? The Biology field that studies the classification of living beings is termed as Taxonomy. Q.
Explain the Rotary Dryers? Rotary dryers are widely used to dry relatively large throughputs of granular products and by products in a number of industries, including the food
What is reproductin
Tetrasporic Embryo Sacs In this group neither of the meiotic divisions is accompanied by wall formation so that at the end of meiosis all the four haploid nuclei remain in a
ABA - Dormancy Abscisic acid functions as an antagonist of all three promoters like IAA, GAS and Cytokinins. ABA nullifies the activity of GA, IAA and cytokinin right by a)
Quaternary Structure (4 o Structure). Globular in structure. When two or more than two molecules of protein of tertiary structure are connected to each other through
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