Define precipitation reaction
Briefly describe the term precipitation reaction.
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If a soluble antigen unites with equivalent antibody in presence of electrolyte at an appropriate temperature and pH, antigen-antibody complex forms the insoluble precipitate .Antibodies which form precipitate ate called precipitants.
Describe the respective significance of the carbon, water, and nitrogen for the living beings.
Considering the presence of segmentation (metameres) in their body to which other already studied phylum are arthropods proximal?
Elucidate the word polyembryony?
Write down the differentiations of cell membrane.
Describe briefly the three main functions of the antibodies?
Define the term homeostasis? What are sensors, controllers and effectors of the homeostasis?
What is opsonin?
Throughout which meiosis division does ploidy reduction take place? Does ploidy reduction take place in mitosis?
In eukaryotic and in prokaryotic cells How different are the location of the ribosomes?
Explain the blastopore and archenteron? Which is the stage of embryonic development where these structures are formed? Specify the destinations of archenteron and of blastopore?
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