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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.
Define Dietary Management during Surgery? Surgery increases the nutritional demands of the body and can lead to the elicitation of several nutritional deficiencies/imbalance. M
Q. Spontaneous deamination of cytosine: 1. Deamination of cytosine is common and results in conversion of cytosine to uracil 2. can be repaired by excision repair process (i)
write the general account of porifera
Mineralisation and Humification As a result of physical weathering, the rocks are broken down into smaller particles. But this is not the true soil, and plants cannot grow well
Q. Clinical Features of gout disease? You may be enjoying good heath but may suddenly get a severe attack. You wake up in the middle of the night, and your big toe feels as if
The human heart is a cone-shaped, four-chambered muscular pump located in the mediastinal cavity of the thorax between the lungs and beneath the sternum, designed to ensure the cir
Some of the important food hydrocolloids are listed below: Alginate Carboxymethyl Cellulose Guar gum Gum Arabic Xanthan Gum Carrageenan All h
Define Protein Requirements for physical fitness? Proteins provide energy to the body. Since exercise may increase an athlete's need for protein, depending on the type and freq
How does the Cornea work, I heard that it is like a motor, however i''m not too sure... because a motor is in vehicle and has piston, and the Cornea is in our eyes and... Well does
Choice of a prophylactic agent An effective prophylactic regimen should be directed against the most likely infecting organisms, but need not eradicate every potential pathogen
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