Inorganic Ions (AQA A-Level Biology): Flashcards

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Inorganic Ions
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Definition of inorganic ions

Small charged particles in cells & body fluids at varying concentrations

pH of pure water

7 (neutral)

What acids do to H+H^+ concentration

Release/donate H+H^+ ions into solution

What bases do to H+H^+ concentration

Accept/remove H+H^+ ions from solution

Function of iron ions

Part of haemoglobin; bind & transport oxygen

Function of sodium ions

Co-transport glucose & amino acids in small intestine

Function of phosphate ions

Form structure of DNA/RNA nucleotides & ATP

Type of scale for pH

Logarithmic (0-14)

Meaning of 1 pH unit change

Ten-fold change in H+H^+ concentration

pH values: acidic vs alkaline

Below 7 = acidic; above 7 = alkaline

Explore AQA A-Level Biology Revision Notes by Topics

Monomers & Polymers

Carbohydrates

Lipids

Proteins

Proteins: Enzymes

Nucleic Acids

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Monomers & Polymers

Carbohydrates

Lipids

Proteins

Proteins: Enzymes

Nucleic Acids

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Monomers & Polymers

Carbohydrates

Lipids

Proteins

Proteins: Enzymes

Nucleic Acids

Explore AQA A-Level Biology Exam Questions by Topics

Monomers & Polymers

Carbohydrates

Lipids

Proteins

Proteins: Enzymes

Nucleic Acids

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