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Take the prepared slide of Euglena and focus it first under low power and next under the high power of tlie microscope. Observe tlie following characteristics:
i) Euglena is an oval spindle shaped organism with a blunt anterior end and a pointed posterior end.
ii) Body is externally covered with a pellicle.
iii) Underneath the pellic le the cytoplasm is clearly differentiated into an outer ectoplasm and an inner endoplasm.
iv) Anterior end of the body bears an opening cytostome, which continues illternally as a tubular cytopharynx. The cytopllarynx leads into a large splier ical reservoir.
v) From the base of the reservoir a single whip-like flagellum arises.
vi) A single large spherical nucleus is located towards the posterior region of the body.
Plants are supplied with adequate amount of phosphorus Phosphorus has also been associated with early maturity of crops particularly the cereals. Its shortage is accompanied by
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Describe the factors that are involved in the regulation of respiration in a child who decides to hold his/her breath for as long as possible.
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In humans, starch digestion begins in the buccal cavity, but stops in the stomach .Why?
General requirements of implant materials 1) Biologically compatibility: an ideal implant material will elicit mainly physiological reactions within the surrounding tissues (bo
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