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According to the Nernst equation, the equilibrium potential for any ion (Eion) distributed across a membrane is dependent on the internal (Ionin) and external (Ionout) concentrations of the ion (in moles or grams/liter), the valence of the ion, z (an integer), the absolute temperature (°K), Faraday's constant (96,500 coulombs/mole) and the universal gas constant R according to the following relationship: Eion = (RK/zF)2.303 log ([Ion]out/[Ion]in) Assuming that the equilibrium potential for sodium ion across a skeletal muscle is +66 mv at a temperature of 37°C when the external concentration is 145 mM and the internal concentration is 12 mM, evaluate both the magnitude and appropriate units for the universal gas constant, R.
Define Type of Instruments used in Spectral Techniques? A wide range of instruments are available, possessing a combination of features but there is no rigid classification of
D- and L- glucose are Select one: a. stereoisomers b. configurational isomers c. optical isomers d. enantiomers e. all of the above
Q. How are the male gametes and the male gametophytes formed in angiosperms? In the anthers of every stamen there are pollen sacs. Inside the pollen sacs there are microspore m
#Most of the world''s flightless birds are either nocturnal and secretive (e.g. the kagu) or large, swift and well-armed (the ostrich). The exceptions are found primarily on island
Q. Which animals make tracheal respiration? Is there a blood-like fluid that participates in this process? Arachnids and Insects are the arthropod animals that make tracheal re
Q. How does the circulatory system participate in the functioning of the endocrine system? The circulatory system is basic for the functioning of the endocrine system and the b
In a plasma membrane, which of the below provides a general barrier to the movement of molecules? a) Lipids b) Proteins c) Carbohydrates d) all of these Answer: a
What is genetic engineering? The Genetic engineering is the use of genetic knowledge to artificially manipulate genes: It is one of the fields of biotechnology.
What is Pancreatic lipase Pancreatic lipase acts on the dietary triacylglycerols after it has been incorporated into the mixed micelle in the intestinal lumen. The lipa
Explain the steps of converting food into energy. There are four steps to convert food into energy: a) Ingestion, mastication and swallowing : Ingestion or taking in of food
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