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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
Explain the Transcription Factor of Zinc? Zinc is an important structural component of DNA- binding proteins also known as 'transcription factors'. These transcription factors
Explain Common Concerns during Pregnancy? Many of the physiological changes that occur during pregnancy affect the digestive tract and may cause discomfort to the mother. Most
Oral irrigation Devices The use of oral irrigation devices has been controversial due to concerns about incomplete plaque removal and potential separation of connective issue f
economic importance of viruses and bacteria ?
Provide supporting evidence to explain how conversion of a normal somatic cell into a malignant one requires multiple mutations.
Determine Minerals Requirements at high altitude? Increased urinary excretion of Nat and K + on exposure to hypoxia is reported while some workers have found only increase in
this is animal?
Summer Stratification - Thermal stratification Thermal stratification is fairly pronounced during the summer seasons in most lakes of the temperate (cold) regions but is rare
To test the gas given off when seeds germinate Place some mustard seeds in a flask with some damp cotton wool, in the apparatus shown in the diagram, and permit them to germina
Categorisation of Major Brain Functions As a framework, the major brain functions typically divided into modalities and domains. The major modalities are motor function and th
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