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10 Cards in this Set

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  • Back

What are proteins involved in?

- Catalysing reactions


- Aiding in binding (enzymes)


- Providing support / locomotion (hemoglobin)


- Mechanical work (flagella)


- Translation


- As hormones and receptors


- Toxins


- Immune systems



All organisms use how many standard amino acids as monomers to build?

20

What four constituents do all amino acids use?

- An amino group


- Carboxylic acid


- Hydrogen atom


- Side chain (R)

What is Chirality?

An object that when mirrored can not be superimposed upon itself.

Peptide bond

Covalent bond formed when the carboxylic acid of an amino acid can react with the amino group of another.

Amino acid residues

Linked amino acids in a polypeptide.

How are amino acids named?

N-terminus to C-terminus

What is Proline?

A special amino acid because the nitrogen of it's amine group is included in the R group, creating a cyclic molecule.

Aromatic R Groups

Aromatic groups absorb UV light which is used to estimate protein concentration.

Methionine

Contains a sulphur ester.