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Metanephridia - Excretion
Metanephridia are found in coelomates (e.g., annelids). These animals have evolved a close circulatory system intimately associated with the excretory organs resulting in direct exchange of material between the two systems. In these worms an isosmotic fluid appears initially in the nephridium due to filtration of the coelomic fluid through the ciliary mesh of the nephrostpme. Salt is later withdrawn from the fluid as it passes through the extensively looped duct and finally dilute urine is discharged.
Respiratory Organs These are the organs regarded with the gaseous exchange, i.e., intake .of oxygen and output of carbon dioxide. They have generally greater rate of gas exch
H Y ALURONI C ACID It is formed by alternating unit of D-glucuronic acid and N-acetylglucosamine. Hyaluronic acid acts as animal cement between adjacent animal cells
Which law of thermodynamics explains the fact that we must eat to gain the energy to perform the functions of life, such as breathing? a. fourth law b. first law c. second law d
J o h n e ' s disease It is also known as paratuberculosis characterized by chronic enteritis and progressive weakness in dairy animals. E t iology: Mycobac
Once you have identified a few relevant mRNA species, you wish to more closely examine their messages by sequencing. You do not have the time to search the genome and isolate the D
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In the metagenesis of Aurelia and Obelia what is the form that produces gametes? What is the form that reproduces asexually? In the metagenesis of some coelenterates, like Obel
Q. Analyze the Regional Wall Motions? Ans. Various attempts have been made in the past to try and quantify the ischemic myocardium, however till date the best and most wid
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