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WHAT ARE THEY
A protein that acts as a catalyst to speed up
biochemical reactions.…read more

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WHAT ARE ENZYMES
· Globular proteins -3
D
· Specific tertiary
shape specific to 1
reaction
· Acts as a catalyst
· Lower activation
energy
· Speeds biochemical
reactions
Ribbon diagram of
human glyoxalase I…read more

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HOW ENZYMES LOWER ACTIVATION ENERGY
Bring two
substrates
together
Stress bonds
of a substrate
Enzymes alter
speed of a
reaction. They do
not make the
reaction happen.…read more

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ENZYME STRUCTURE
Enzymes have a specific 3-D structure as a result
of their amino acid sequence (primary protein
structure).…read more

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ENZYME STRUCTURE
· Large molecule
· Functional region small
· Remaining part maintains shape
· Active site-small number amino acids
· Enzyme acts on substrate
· Forms enzyme-substrate complex
· Substrate complementary shape to active
site…read more

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