PHYSIOLOGY
GENERAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Substance having an attached radioactive isotope that allows a researcher to track its whereabouts in a biological system
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Tracer
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Ion
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Salt
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Emulsifier
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Explanation:
Detailed explanation-1: -A radioactive tracer is a chemical compound in which one or more atoms have been replaced by a radioisotope. Monitoring its radioactive decay, a radiotracer can be used to explore the mechanism of chemical reactions .
Detailed explanation-2: -Geiger counters are commonly used to measure the amount of radioactivity, but there are other types of detectors that may be used.
Detailed explanation-3: -Biochemical assays are used to detect the presence and absence of radioisotopes. Therefore radioactive isotopes are used to label biological molecules. Such assays estimate the concentration of different constituents of plasma, body fluids, urine, blood etc. This technique is called radioimmuno-assays.
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