Answer:
For example, IgG, the most common antibody, is present mostly in the blood and tissue fluids, while IgA is found in the mucous membranes lining the respiratory and gastrointestinal tracts. classes of antibodies. The five main classes of antibodies (immunoglobulins): IgG, IgA, IgD, IgE, and IgM.
Explanation:
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Answer:
N20 is an element because it is on the periodic table and doesn't have anything else attached to it. NO would be a compound because it has oxygen attached to it.
Because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
The best and the correct answer among the choices provided by the question is the second choice.
Temporal isolation could be the mechanism that <span>might keep Rana aurora and Rana boylii from mating.</span>
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