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The s-Block Elements
Biological Importance of Magnesium and Calcium
2 questions from 2 papers, each with its answer.
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- 2
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- years asked, 2017–2026
- 2 of 10
- of The s-Block Elements
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Appears in
Concepts tested
- biological roles of Mg and Ca
- role of Mg as cofactor for ATP enzymes
All Questions
2023 1 question
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Which one of the following statements is correct?
The daily requirement of Mg and Ca is about 200–300 mg.
Ca plays important role in neuromuscular function and interneuronal transmission. The daily requirement of Mg and Ca in the human body is estimated to be 200–300 mg. All enzymes that utilise ATP in phosphate transfer require Mg as the cofactor. The bone in human body is NOT an inert and unchanging substance.
2019 1 question
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Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:All enzymes that utilize ATP in phosphate transfer require magnesium (Mg) as the cofactor.