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Q. How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in platyhelminthes and nematodes?
Annelids have a nervous system made of two ventral chords and one relatively big nervous cell concentration in its anterior portion resembling a primitive brain.
Nematodes have an anterior neural ring connected to two neural chords, a dorsal one and a ventral, while in planarias (platyhelminthes) there are only two small anterior "cerebral" ganglia from which neural chords split. Cephalization in annelids thus is more outstanding than in flatworms or in nematodes.
Symptoms contain fever, weakness, rashes, with erythema and edema. Serum sickness depends on the immune difficult formed and the size of the complexes.
Mechanism of Maturation The basic mechanism of maturation of ovum is more or less similar in all organisms. The primordial germ cells that enter into the ovary divide mitotica
Q. How mineral salts participate in enzymatic activity? Many mineral salts are cofactors of enzymes that are the substances without which enzymes do not work.
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
Rejection Reaction For rejection reaction the physiological and biochemical processes are set in the pistil by the recognition reaction specific to the type of pollen that lan
Carbohydrates form the major bulk of human diet and are also the chief sources of energy. Carbohydrates are easily digested and broken down by enzyme action into glucose and are ea
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Partial Pericardiectomy : The approach can be either by a left anterolateral thoracotomy or median sternotomy. For pyogenic pericarditis with adhesions and loculations a par
Clonig,plasmid vectors,lambda&M13based vectors
Explain about the Component of Metalloenzymes? Zinc is unique among the trace elements in that it is a part of enzymes for all six Enzyme Commission classes. As a component of
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