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Q. What do you mean by Alpha Taxonomy?
This relates to the basic or preliminary classification based almost entirely on external morphology. This can be considered as the empirical approach in taxonomy where the classification is synthesised from the observed facts. Alpha taxonomy has also been called Classical or Orthodox or Formal taxonomy. This has been practised since .ancient times and different aspects of this approach are in use even today. The name 'Alpha taxonomy' was given by Turrill (1935), while two phases of development in taxonomy come under this, approach according to other taxonomists such as Valentine and Love (1958), Davis and Heywood (1963). These phases are: i) the exploratory phase involving collection and subsequent classification; and ii) the systematic or consolidation phase involving extensive herbarium collections and field studies for preparing floras, monographs and detailed systems of classification.
GENE INTERACTIONS (POST MENDELIAN GENETICS) Phenotypic expression of a gene may be altered by the influence of other genes. The modification of the normal phenotype of certain
Contractile vacuole - Protozoans The contractile vacuoles may differ in complexity in various groups of protozoans. In amoebae the vacuoles are carried around in the cytoplasm
Consider a time when the membrane voltage of a SA node cell in the heart is at its minimum value (near -80 mv). At this time, A. all the voltage-gated calcium channels will be
Fast Response - Biological Responses Some of the fast responses are discussed below: It was found that when mung bean root tips were kept in a specific solution (contain
A solution was prepared by dissolving 25g NaOH powder in 100 ml water. Using not more than 15 ml water, devise a series of dilutions that will give a concentration of 5mg/ml NaOH.
Explain the Uses of ISO in Seafood products Seafood products The most significant application in this category is the use of ISP in fish sausage and surimi based restructu
Explain about the Herbal of Valerius Cordus? The Herbal of Valerius Cordus published posthumously in 1561; contained not only medicinal plants found in Germany and Italy, but
BIL E SALTS These are sodium or potassium taurocholate & glycolate. Lethocholic acid, cholic acid, deoxycholic acid & taurocholic acids are found in bile. Helps in em
Results : In critical pulmonary stenosis in infancy, surgical mortality is 6 per cent. For children and adults with isolated pulmonary valve stenosis, the mortality approaches 0
Amino acid sequence is also known as the primary structure of a protein/polypeptide; the series of amino acids in a protein/polypeptide controlled by the series of DNA bases.
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