Phylum of animal kingdom-exoskeleton
Which other phylum of animal kingdom present species with exoskeleton?
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Arthropods present exoskeleton made of the chitin. Echinoderms don’t have exoskeleton however they present the calcareous endoskeleton. Some chordates also have external carapace.
Extracellular digestion: It is that digestion in which food breaking into utile molecules which can be internalized by the cell is prepared in the extracellular space, that is, exterior the cell. In extracellular digestion the cells secret substances
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Give some representatives of the phylum Mollusca? Answer: Octopuses, Snails, squids and oysters are some illustrations of molluscs.
Besides being essential for activation of main gastric digestive enzyme, how does HCl also participate directly in the process of digestion?
Is is an organization in which people at all levels, individually and collectively, are continually increasing their capacity to produce results they really care about. Why should organizations care? Because, the level of performan
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Write the activation center of an enzyme? Is it the key or the lock of lock and key model?
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Describe zone of antibody excess?
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