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Proteins (AHL & C1)

Although we are learning this in the Chemistry of Life unit, it is actually part of the SL Option C and HL additional material, so look for the book chapters in the right place!

Essential Biology 7.5 & C1: Proteins

Proteins:

Life Cycle of a Protein from Sumanas

Making polypeptides from John Kyrk

Check that you know the different levels of protein structure, including the roles of hydrogen bonds and disulfide bridges. Think about how the properties of the R-groups on amino acids cause the protein to fold up in a set configuration.

FoldIt!

FoldIt!

Make sure you can give examples of fibrous and globular proteins and that you can name some examples of uses of proteins that are not structural or related to the plasma membrane.

And don’t forget to play FoldIt – the brilliant protein puzzle that helps medicine!

Carbohydrates, Lipids and Proteins

Here’s the class presentation – click the shadowed images for animations.

For more information on condensation and hydrolysis reactions:

Simple explanation by Terry Brown

Collection of examples from North Harris College

Carbohydrates:

Explanation and animation from National Louis University

Proteins:

Life Cycle of a Protein from Sumanas

Making polypeptides from John Kyrk

Lipids:
Structures of Fats from HHMI

Lipids (and condensation animation) from National Louis University

Proteins (AHL & C.1)

After the Carbohydrates, Lipids and Proteins last week, we’re taking a closer look at Proteins and their structures.

Here is the class presentation – click the shadowed images for links to animations:

Check that you know the different levels of protein structure, including the roles of hydrogen bonds and disulfide bridges. Think about how the properties of the R-groups on amino acids cause the protein to fold up in a set configuration.

Make sure you can give examples of fibrous and globular proteins and that you can name some examples of uses of proteins that are not structural or related to the plasma membrane.

The revision notes from Click4Biology are here.

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