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Title: Proteins
Description: International Baccalaureate Biology SL Topic 2.4 2016 Clear and detailed notes of topic 2.4 from the book and lecture
Description: International Baccalaureate Biology SL Topic 2.4 2016 Clear and detailed notes of topic 2.4 from the book and lecture
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Proteins
Topic 2
...
Changing the order of one amino acid can lead to genetic diseases
➢ Polypeptide and protein have a slightly different meaning
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A protein is an organic substance consisting of covalently bonded amino
acids and it is ready to carry out its function
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Example: enzymes, antibodies
1
Proteins
Topic 2
...
4
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Biology SL
Different part of the protein start to bond with each other
with hydrogen bonds
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The shape of this structure depends on how they are bonded
with each other
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Tertiary protein structure
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A shape described as globular
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α-helices and β-pleated sheets bind either with one another or with
others on their kind forming a unity => globular protein
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■
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Determined by the secondary protein structure
In most cases the
Title: Proteins
Description: International Baccalaureate Biology SL Topic 2.4 2016 Clear and detailed notes of topic 2.4 from the book and lecture
Description: International Baccalaureate Biology SL Topic 2.4 2016 Clear and detailed notes of topic 2.4 from the book and lecture