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Neurons connecting the heart to the cardiovascular system The heart beat is controlled by the nervous system, hormones, temperature and pH..

The proteins act as buffers in regulating the acid and base concentration in bloo..

This process regulates the water content in the blood by producing hypotonic or hypertonic urine. It regulates pH (acid - base balance) of the blood. The rate of secretion of acid or alkaline phosphates is regulated when the blood becomes too acidic or alkal..

If the kidneys are so impaired by disease or injury that they are unable to excrete nitrogenous wastes and regulate pH and electrolyte concentration of the plasma, the blood must be filtered by an artificial device. Such filtering of the blood is called Haemodialysi..

Role Of Kidney In Osmoregulation - Osmo regulation is the process which regulates the concentration and osmotic pressure of blood by regulating the water contents of blood plasma. It is an important process as excessive loss of water may cause dehydration whereas exces..

. So the minority carriers namely electrons in 'P' type and holes in n-type get accelerated and they attain very high kinetic energy. These highly energetic charge carriers collide with valence electrons breaking their bond creating hole - electron pair, This is called as 'avalanche breakdown'. The..

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Haemodialysis - If the kidneys are so impaired by disease or injury that they are unable to excrete nitrogenous wastes and regulate pH and electrolyte concentration of the plasma, the blood must be filtered by an artificial device. Such filtering of the blood is called Haemodial..

In 1961, two French microbiologists, Francois Jacob and Jacques Monod proposed a mechanism, called Operon Hypothesis , for the regulation of gene action in E. coli. It got them the Nobel Prize in 1965. fig. 23.1 - Francois Jacob and Jacques Monod with their Colleague They found that..

This gene is located adjacent to the operator gene. It has two functions. 1.The promoter gene marks the site at which the RNA polymerase enzyme binds. When the operator gene is turned on, the enzyme moves over the operator gene to reach the structural genes and the transcription of mRNA starts. 2...