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ENZYMES (characteristics (affected by (temperature, pH), sped up chemical…
ENZYMES
characteristics
sped up chemical reaction
required in minute amounts
specific in action
lock and key hypothesis
affected by
temperature
pH
catalyse reversible reactions
biological catalysts
alter/speed up chemical reaction
remains chemically unchanged
lower activation energy
lower 'height' of hill
activation energy
start chemical reaction
function
catalyse digestion
build up complex substances
break down complex substances
class of enzymes
carbohydrases
digest carbohydrates
proteases
digest protein
lipases
digest fats
mode of action
lock and key
depression
active site
substance
substrate