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Explain the Invasive species?
Tens of thousands of non-native species have been introduced into the United States of America, with more arriving each year. These species can have large affect on natural ecosystems and lead to direct costs of an estimated $137 billion yearly to the US economy. Mathematical and statistical models can be utilized to predict what types of species are almost certainly to be damaging invaders, and what types of ecosystems are almost certainly to be invaded.
Q. How can an organism that once underwent contact with an antigen be immunized against future infections by the same agent? This phenomenon is called as immune memory when an
1) It is the series of coupled oxidation/reduction reactions where the electrons are passed like hot potatoes from one membrane-bound protein/enzyme to another before being finally
Temperature is one of the important factors affecting the process of growth in bacteria, as it has a bearing on chemical reactions. The temperature at which the maximum growth occu
How the Required weight gain Calculated? Weight gain is another aspect deserving attention. 'Allowable' or recommended weight gain could be higher than for adults. The weight g
Determine the groups of soil organisms The soil organisms are classified into two broad groups viz. soil flora (related to plants) and soil fauna (related to animals) which ar
Under which form is nitrogen fixed by living beings? Most living beings cannot use molecular nitrogen to get nitrogen atoms. Producers fix nitrogen mostly from nitrate (NO3-).
Two homologous human chromosomes have the following structure: where the letters represent genetic markers and the black dot represents the centromere. 1. Diagram the two chromosom
Q. What is an oligopeptide? How is it differing from a polypeptide? Peptide is the molecule formed by the union of amino acids through the peptide bond. Oligopeptide is a pepti
explain about vascular system
Define Theophrastus of Eresus - Taxonomy The Father of Botany (370-285 B.C.); of all the men who ever lived upon the earth certainly one of the most remarkable was Theophrastu
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