Inorganic Ions Flashcards

1
Q

Definition of Inorganic Ions

A

Molecule that contains no more than one carbon atom

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2
Q

what are the two groups of inorganic ions?

A

macronutrients - needed in small concentrations
micronutrients - needed in minute concentrations eg. copper and zinc

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3
Q

name the 4 inorganic ions we must be aware of

A

magnesium
iron
phosphate
calcium

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4
Q

describe magnesium’s functions in plants and animals

A

plants: constituent of chlorophyll (photosynthesis)
mammals: important in bones

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5
Q

describe iron’s functions in plants and animals

A

constituent of haemoglobin which transports oxygen in red blood cells

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6
Q

describe phosphate’s functions in plants and animals

A

used to make nucleotides, including ATP, DNA, RNA
constituent of phospholipids

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7
Q

describe calcium’s functions in plants and animals

A

mammals: structural component of bones and teeth
plants: provides strength as a component of plant cell walls

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8
Q

define molecules and give an example

A

two or more group of atoms bonded together eg. glucose

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9
Q

define ions and give an example

A

atom or molecule with an electric charge (+/-)
eg. Na+, Cl-

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10
Q

define and give examples of compounds

A

two or more chemical elements bonded together
eg. H2O water, CO2 carbon dioxide

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