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Tlie phylum Cnidaria or Coelenterata, includes the faliiiliar hydras, jelly fishes, sea anemones and corals. You have olreacly studied about Cnidarialis in Units 4 and 7 of LSE-09 course. These are often brilliantly colourcd. They exhibit radial symnietry, The Cnidarians possess two basic metazoall structural features. Onc, there is an intenla1 space for digestion, called in Cnidarinns as gastrovascular cavity. This cavity lies along the polar axis of the animal atid opens to tlie outside at one end to for111 noutli, Tlie presence of a mouth a~id digestive cavity permits the use of a mucll greater rnlige of food sizes than is possible in tlie protozoarls and sponges. Two, in Clidariails a circle of tentacles, representing exte~lsiolls of the body wall, surrounds tlie ~lioiltli to aid in tlie capture and ingestion of food. Tlie Cnidarian body wall consists of three basic layers: an outer lnycr of cpidennis, nn inner layer of elidoder~nal cells lining Ilie gastrovnscilar cavity, and between these two a layer called mesoglea. The rnesoglea ranges from n tliin, non cellilar membranc to a thick, fibrous, jelly-like, coid lnaterial with or without wanderillg a~noebocytes, A considerable number of different cell types compose tlie epidermis and gastrader~nis, but there is only a limited degree of organ development.
Explain Ventricular Septal Defect in details ? Indications of surgery : Some VSDs close spontaneously or become smaller in size. This has to be taken into consideratio
ExplainTransketolase Transketolase with the help of TPP and Mg ++ is required again. This time it transfers carbon 1+2 from xylulose-5-phosphate to erythrose-4-phospha
Give number of valence electrons for technetium. Write out electronic configuration for the valence electrons. Give the number of valence electrons and the number of electronic con
Define Procedure for Determination of Blood Glucose by Nelson Somogyi Method? 1. Label a series of Folins tubes with blank (B), standard (S1-S5) and sample (SA 1-2) and place
What is a pigment? Scientifically, a chemical that can impart colour and is insoluble in the solvent in which it is used, is referred to as a 'pigment'. Well, you would agree
Explain the Klebsiella - Characteristics of Bacteria? It is gram negative, non-sporulating, non-motile and non-pigmented rod, which is commonly found in soil or water. It is th
distribution of biodiversity
Mentalis The mental tubercles on either side of mental protruberance(in midline) gives origin to the mentalis muscle. Above the mentalis origin, the incisivus muscle takes orig
Cold Hardiness and Cold Acclimation In connection with cold response we would like to introduce two terms- cold hardiness and cold acclimation. Cold-hardiness ref
Define Field Test used to Assess Aerobic Capacity? A field test that has been used extensively in nutrition studies to assess aerobic capacity measures Heart Rate responses to
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