16. Chitin

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7 Terms

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How is chitin structured?

Many long parallel chains of beta glucose units, rotating 180 degrees allowing hydrogen bonds to form between OH groups of adjacent chitin chains

2
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Where are the glycosidic bonds in chitin?

C-1,4

3
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What can crosslinked parallel chains form?

Microfibrils

4
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How does chitin form microfibrils?

Crosslinked parallel chains

5
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What does chitin have additionally?

Additional amino acid group on each monomer called acetylamine group

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Where is chitin found?

In exoskeleton of arthropods (insects) and fungal cell walls

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What are the properties of chitin?

Waterproof, strong, lightweight