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6. Rates of Reaction & Energy changes
6.1 Rates of reaction
6.1.5 Enzymes
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Cards (6)
True or false: Enzymes are biological
catalysts
True
What is an enzyme?
A
biological catalyst
made up from
protein
that speeds up chemical reactions in cells
What types of reactions do enzymes catalyse?
Biological reactions
(such as respiration and photosynthesis)
True or false: Enzymes can work on any type of molecule
False.
Enzymes are very
selective
and will only work on very specific molecules
Which enzyme is used in fermentation?
Yeast
Can enzymes work at low temperatures?
Yes
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