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Q. What do you mean by Hemichordata ?
Hemichordates re vermiform (worm-like) animals which have few characters like those of the chordates, hence the name hemichordata (hemi : half; chorda : string or cord). Hemichordates belong to the deuterostome branch of the animal kingdom and are enterocoelous coelotnates with radial cleavage. They show some of both echinoderm and chordate characteristics. A chordate plan is suggested by gill-slits in the pharynx and a restricted dorsal tubular nerve cord in the collar region. On the other hand, similarity to echinoderns is shown in (i) larval features and (ii) in having an epidermal nerve net. In this unit you will stildy the type specimen Balarroglossus of the phylum hemicliordat and the tornaria larva which is typically found in its life cycle.
steps involved in glycolysis
Transplantation - It is implanting of a living or preserved tissue or organ from one site to another side in the same individual or from one individual called donor to recip
Explain the term Trans fatty acids? Plant derived fats and oils contain cis-fatty acids. You may recall reading about the cis and trans isomers in the Nutritional Biochemistry
Types of Respiratory Organs Respiratory organs may be of the following types: Those that have respiratory surface turned out forming an evagination. These are called gi
A decrease in parasympathetic discharge to the heart leads to A. a decrease in the conductance of F-channels in SA node cells. B. an increase in the conductance of potassium
Growth-form and Structure In a community the number of species and size of their populations vary greatly. A community may have one or several species. The environmental factor
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Which of the following terms best describes calcium metals? Check all that apply. Molecule, element, matter, and compound
Y-Linked traits in humans Any gene that occurs exclusively on the Y chromosome is said to be holandric and it is not expressed in females. Such a Y-linked gene normally occurs
The initial evaluation of new onset heart failure should include an electrocardiogram, chest radiograph, and B-type natriuretic peptide assay. The cardiac rhythm may be normal sinu
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