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What is the structure that is the interface between the blood system of a mother and her fetus called?
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Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen
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Proteins a. contain carbon, hydrogen, oxygen and nitrogen b. consists of amino acids c. are derived from the fruits and vegetables c. are part of antibiotics
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What is the structure that is the interface between the blood system of a mother and her fetus calle...
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