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Q. What is the major evolutionary innovation presented by nematodes? What is the benefits of that innovation?
The major evolutionary innovation of nematodes is the complete digestive system, with two openings (anus and mouth).
Since the defecation and the ingestion processes can occur in different extremities of the digestive tube, beings with a complete digestive system have the benefit of ingesting new food while residuals of already eaten food are still inside the body and not yet eliminated.
Transmission electron microscopy: Around 1931-32 two German scientists. Knoll and Ruska. Invented transmission electron microscopy, and built the first transmission electron m
Q. What is the basic importance of water for enzymatic activity? Ans. Biological catalysts, Enzymes, relay on water to reach their substrates and attach to them. There is
Explain the Atmospheric Dispersion Modeling 1. Dispersion model is a mathematical description of the meteorological transport and dispersion process that is quantified in terms
Some animals, such as cows, normally make only one offspring from each mating. If a cow showed a dominant phenotype, why would a typical testcross be a complex way to verify the ge
Members belonging to the scientific community fear the misuse of this therapy leading to dangerous consequences. People may try to insert the desired gene, for example, the gene f
Necessity of Transport in Phloem Leaves produce photoassimilates and support various tissues including roots. The excess photoassimilates and metabolites stored in specialised
Explain Poor growth - clinical signs of kwashiorkor? Growth retardation is the earliest manifestation of kwashiorkor, the child will be lighter and shorter than its normal peer
Why is sub-culturing essential in plant tissue culture? Explain the process of heterosis. How is it dissimilar from inbreeding depression? Where and how is urea produced in
In the eukaryotes replication of chromosomal DNA happens only in the S phase of the cell cycle. As for bacterial DNA, eukaryotic DNA is replicated figure: The euk
Drawbacks of Fats and Sweets in diabetics Diabetics should eat less fats and sweets. Fats found in burger, cheese and butter etc. should especially be avoided. Even when a pat
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