A molecule/ion that has no more than one carbon atom
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Organic
Molecules that have a high proportion of carbon atoms
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Dipole
A polar molecule with a positive and negative charge separated by a very small distance
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Hydrogen bond
The weak attractive force between a hydrogen atom with a partial positive charge and an atom with a partial negative charge, normally oxygen or nitrogen
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Monosaccharide
An individual sugar unit
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Isomer
Molecules with the same chemical formulae but a different arrangement of atoms
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Disaccharide
A sugar composed of two monosaccharide units
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Qualitative data
Characterises attributes, i.e. colour
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Quantitative data
Given value
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Polymer
A large molecule comprising repeated units, monomers, bonded together
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Ester bond
An oxygen atom joining two atoms, one of which is a carbon atom attached by a double bond to another oxygen atom
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Hydrophilic
Polar; a molecule or ion that can interact with water because of its charge
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Hydrophobic
Non-polar; a molecule or ion that cannot interact with water because of its charge
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Saturated fat
When a fatty acid has only single carbon-carbon bonds
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Unsaturated fat
When a fatty acid has one or more double carbon-carbon bonds
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Phospholipid
A lipid composed of hydrophobic fatty acid tails and a hydrophilic head
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Atheroma
Fatty material that is deposited in the coronary artery
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Peptide bond
The chemical bond formed by a condensation react between the amino group of one amino acid and the carboxyl group of another
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Fibrous proteins
Long, thin molecules in parallel chains or sheets with many cross linkages
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Globular proteins
Compact molecules folded into a spherical shape
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Card 2
Front
Organic
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Molecules that have a high proportion of carbon atoms
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