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Ventilation of Tracheal System - Diffusion
Gaseous exchange due to diffusion generally takes care of the oxygen needs of most small insects. Similarly fairly large but inactive insects (e.g., some large caterpillars) do not actively ventilate the system. Diffusion alone is adequate provided the spiracles are kept open permanently. The same process accounts for elimination of carbon dioxide.
What is Hemocoel? Explain in detail. Principle body cavity in molluscs and arthropods, remnant of the blastocoel. It forms part of open circulatory system found in these animal
Q. When Aflatoxigenic molds can occur? Occurrence: Aflatoxigenic molds can occur in warmer parts of the world and aflatoxicosis maybe produced in a wide range of tropical and s
Q. What is the life cycle of Plasmodium vivax? The vector mosquito bites a infected person and ingests female and male gametocytes of the parasite. Within the insect gut the ga
Explain about Suspensions Sol is a colloidal system, in which solid particles are dispersed in a liquid. When the particles of a solid are separated into large aggregates of pa
Q. Do echinoderms present external or internal fecundation? Is there sex division among individuals? The fecundation in echinoderms is external, gametes are liberated in water
distinguish between striated and cardic muscles
A classical secretory protein vary from a cytosolic protein by having a sequence about 13-35 amino acids long at its N-terminal end called as a signal peptide or signal sequence.
why does each muscle need an antagonistic partner
Which of the following statements is correct? A. Hemoglobin binds O2 more tightly at pH 7.2 than at pH 7.4. B. Fetal hemoglobin under physiological conditions binds O2 more t
Enumerate about the Wisconsin Card Sorting Test Verbal memory, non verbal memory etc. are tested through the presentation of stimuli such as verbal learning test, selective rem
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