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Osmoregulation in Protozoans
Osmoregulation or water balance in protozoa is accomplished by contractile vacuoles. One to several contractile vacuoles may be present within the animal which may or may not have fixed sites in the cytoplasm and may have contributory canals or other vesicles opening into it.
These are water and ion regulating structures, acting as pumps to remove excess water from the cytoplasm. All freshwater protozoans have functioning systems of contractile vacuoles whereas, marine and parasitic forms have these less frequently.
Assume that the blood volume of a rabbit is 0.5 liters. If the effective dose of the anesthetic urethane is 10 micrograms/mL, calculate the volume of a 25% urethane solution that m
examples of gametes
A question is flashed on a screen in the left visual world of right-handed person Z. Person Z is a healthy individual with an normal nervous system. Person Z has a patch over Z's
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What are the genes responsible for the toxic substance in bt?
It is elimination of an antigen or antibody from a sample by the process of adsorption, to which the complimentary antigen or antibody is bound.
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