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Questions and Answers
Which ion is essential to life but requires its concentration to be lowered ten-thousandfold for biochemical reactions to occur?
Which ion is essential to life but requires its concentration to be lowered ten-thousandfold for biochemical reactions to occur?
- Magnesium (Mg2+)
- Calcium (Ca2+) (correct)
- Potassium (K+)
- Sodium (Na+)
Which fluid bathes the cells and contains ionized sodium, potassium, magnesium, chloride, phosphate, bicarbonate, glucose, and small amounts of protein?
Which fluid bathes the cells and contains ionized sodium, potassium, magnesium, chloride, phosphate, bicarbonate, glucose, and small amounts of protein?
- Extracellular fluid (ECF) (correct)
- Cytosol
- Plasma membrane
- Intracellular fluid (ICF)
Which fluid is characterized by low calcium, sodium, and chloride concentrations compared to the extracellular fluid (ECF)?
Which fluid is characterized by low calcium, sodium, and chloride concentrations compared to the extracellular fluid (ECF)?
- Extracellular fluid (ECF)
- Cytosol
- Plasma membrane
- Intracellular fluid (ICF) (correct)
Which ion has an increased concentration in the intracellular fluid (ICF) compared to the extracellular fluid (ECF)?
Which ion has an increased concentration in the intracellular fluid (ICF) compared to the extracellular fluid (ECF)?
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Which fluid has a slightly more acidic pH compared to the extracellular fluid (ECF)?
Which fluid has a slightly more acidic pH compared to the extracellular fluid (ECF)?
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