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Title: Enzymes
Description: Enzymes and what they are, written for IGCSE or GCSE students. These notes helped a lot of students achieve a pass and higher for their (I)GCSE's.
Description: Enzymes and what they are, written for IGCSE or GCSE students. These notes helped a lot of students achieve a pass and higher for their (I)GCSE's.
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IGCSE Curriculum
2
...
30
understand that bile is produced by the liver and stored in the gall bladder
2
...
They greatly speed up chemical reactions that are important for living cells/organisms
...
They are crucial in chemical digestion
...
Interestingly enough, all enzymes end with -ase
All enzymes are made up of protein, at high temperature the protein breaks down
...
An enzyme is affected by how much acid or alkali is present
...
Proteases:
Protein -> Amino Acids
They break down protein into amino acids which are used to strengthen our body
...
Lipases:
Lipids -> Fatty Acids + Glycerol
Lipids take the longest to break down
...
Lipids are very hard to break down
...
In traditional chinese
medicine, they use the bile of a snake or bear to make a tonic
...
What does it do?
It helps to neutralize stomach acids
...
Bile also helps to break down a large lipid ‘lump’ into many smaller lipid ‘droplets’, which
helps the Lipases break down the lipids with less difficulty
...
Acidity/pH indicator
•
Milk experiment
• Milk is naturally made for babies, and therefore should have a neutral pH
...
3 pH after lipase, 6 pH before lipase
Title: Enzymes
Description: Enzymes and what they are, written for IGCSE or GCSE students. These notes helped a lot of students achieve a pass and higher for their (I)GCSE's.
Description: Enzymes and what they are, written for IGCSE or GCSE students. These notes helped a lot of students achieve a pass and higher for their (I)GCSE's.