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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.
Hemiplegic migraine and ophthalmologic migraine These are relatively rare and include loss of movement of the limbs and eyes, respectively.
Q. What happens during aerobic respiration to the pyruvic acid molecules made by glycolysis? and What is the sequence of reactions that then follows? The pyruvic acid molecules
For the article entitled "The inner life of the genome" which of the following is true? A. Individual chromosomes occupy explained territories within the nucleus. B. The spe
PREPARATION OF BENZILIC ACID 1. What is rearrangement reaction? The reactions in which the carbon of the molecule is rearranged to give a structural isomer of the original
Define the Sources of Vitamin E? Vitamin E is present in almost all foodstuffs. It is found in wheat germ, corn, nuts, seeds, olives, spinach, asparagus and other green leafy v
Write the chain structure of D galactose and D mannose? The ring form of ribose is a component of ribonucleic acid (RNA). Deoxyribose, which is missing an oxygen at positi
Casparian strip In plants, the impermeable waxy layer between the cells of endodermis which stops water and solutes from entering into the xylem, except by passing through the cyt
Rotential complications of post removal -Fracture of the tooth , -leaving the tooth unrestorable , or restored with fair prognosis -root perforation , -post breakage, and -
Culture Medium - Techniques of Plant Tissue Culture In nature green plants are capable of synthesizing organic compounds necessary for their growth and development from the mi
how does these phylem parasites????
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