speed up reactions without being used up themselves
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what are proteins
they are chains of proteins
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what is the test for starch
use iodine solution if starch is present the solution will turn blue/black
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what is the test for sugars
use Benedict's solution if sugar is present it will turn green,yellow or red (depending on the amount of sugar present)
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what is the test for amino acids
use biuret solution if amino acid is present it will turn a lilac colour
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what is the test for lipids
use ethanol if lipid is present ethanol will go cloudy
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what is digestion
is the breakdown of large insoluble molecules into smaller soluble molecules that can be absorbed into the blood and this break down is sped up by enzyme
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what is health
it is a state of physical and mental well being
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what is a communicable disease
a disease which can be transferred between organisms
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what is a non-communicable disease
a disease which cannot be transferred between organisms
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what are risk factors
they increase the likelihood of developing a disease
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what is transpiration
is the loss of water vapour from the stomata in the leaves of the plant by evaporation and diffusion
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Other cards in this set
Card 2
Front
what is a catalyst
Back
speed up reactions without being used up themselves
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