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Excretion in Protozoans
Excretion of metabolic wastes is dope almost exclusively by diffusion. All protozoans are ammonotelic i.e., the end product of their nitrogen metabolism is ammonia, which is readily diffused in the surrounding medium.
Figure: a) Parumecium with cytopharynx, food and contractile vacuoles and nuclei b) Enlarged section of a contractile vacuole in Paramecium which collects water and expels it outside, performing osmoregulatory functions
Q. What is the kinds of asexual reproduction that occurs in hydras? Hydras reproduce asexually by budding.
Endosperm with micropylar Haustorium A very prominent and aggressive micropylar haustorium is seen in Impatiens. Here the division of the primary endosperm nucleus is followed
Laws Governing Ocular Movements Hering's Law of Equal Innervation states that equal and simultaneous innervation flows from the brain to yoke muscles in all binocular movement
Define colonization of the gut - probiotic effect? It is not clear how probiotics influence the flora and produce a beneficial effect. However, colonization of the gut appears
similarity between pisces & mammals about dirhynous condition......
Posterior superior alveolar nerve and vessels It is found in the posterior aspect of the maxilla running between the bone and the lining of the maxillary sinus may be injured
What is Portal and Rental Circulation ? The body has other circulation systems that do not return blood directly to the heart. For instance, the blood that drains from the abdo
Explain in brief about the Trail Making Test In part A of this procedure the subject must connect in order a series of circled numbers randomly scattered over a sheet of 81\2 X
advantages of cuticle of anthropodes
Define the Protective of Vitamin C role as an antioxidant? Vitamin C is a powerful antioxidant because it can donate a hydrogen atom and form a relatively stable ascorbyl free
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