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Explain Principle Osazone Test or Phenylhydrazine Reaction?
Phenylhydrazine reacts with carbonyl compounds in neutral or slightly acidic medium to give phenylhydrazones. These phenylhydrazones are soluble in warm water and condense with more of Phenylhydrazine molecules, to give phenyl osazones, which are insoluble compounds. Each sugar, in general, gives rise to an osazone of a characteristic crystalline structure which is typical for that sugar.
Q. How are animals classified according to the germ layers present in their embryonic development? Cnidarians are diploblastic, that is they present only ectoderm and endoderm.
explain the cell survival curve
case study haematology
What is the difference between the concepts of food chain and food web? The chain theory is a theoretical model to study the energy flux in ecosystems. In fact, in an ecosystem
What is Biogenetic Law and define Bilateral symmetry? In brief, ontogeny recapitulates phylogeny. Or, developmental or embryological sequence of an animal repeats the evolution
Define Treatment and Management of Adverse Food Reactions? Management of adverse food reactions involves diagnosing the problem followed by nutritional and medical care.
What is the feeding habitat of branchiostoma?
What is cytoskeleton? What are its main constituents in animal cells? Ans) Cytoskeleton is the cytoplasmic structure that handles the cell, keeps its shape and fixates and moves
features and clasification phylumechenodremate
Since the visual images are projected in an inverted manner on the retina why don't we see things upside down? As the crystalline lens is a convex spherical lens it forms inver
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