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Description
Flashcards by suhaila sacranie, updated more than 1 year ago
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Created by suhaila sacranie
over 8 years ago
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| Question | Answer |
| what are inorganic ions? | they occur in solutions in the cytoplasm and body fluid of organisms |
| role of H+ ions? | increase in hydrogen ions causes a solution to be more acidic lowers the pH |
| role of iron ions (Fe2+) | four haem groups of haemoglobin has an iron ion where one molecule of o2 binds |
| role of sodium ions? | required for the co-transport of glucose in the epithelial cells of the S.I used in nerve impulses |
| role of phosphate ions (PO43+) | key molecules in formation of DNA and ATP used in phospholipids (2 fatty acid tails containing phosphate group) |
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