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18 Cards in this Set

  • Front
  • Back

Protein: Made of..... atoms


e.g proteins contain...

C. arbon ,H. ydrogen ,N. itrogen ,O. xygen atoms

Protein: Only used in the cell

During starvation

Protein: Can be found as part of the

Cell membrane

Protein: Used for

Building e.g muscle

Protein is found in

Animal products

Protein is made up of

Amino Acids

Proteins

Are large molecules built of sub-units called amino acids

Peptide

Is a compound consisting of 2 or more amino acids linked in a chain.

Polypeptide

Is a long chain of amino acids joined together by peptide bonds. (between two amino acids)

Structure of Protein

4 levels of structure: Primary


Secondary


Tertiary


Quaternary

Primary structure of proteins

Describes the linear sequence of Amino acids, linked together by peptide bonds.

Secondary structure of proteins

Describes how the linear sequence folds upon itself. Is determined by backbone sequences. Alpha helix: wrapping around each other


Beta sheet: Zig Zag pattern


Both stabalized by hydrogen bonds

Tertiary structure of proteins

Refers to a higher order of folding within a polypeptide chain. Interactions between other polypeptides. Stabalized by hydrogen bonds. 3D structure.

Quartenary structure of proteins

Describes the bonding between multiple polypeptides.

There are _____ different types of Amino acids that humans use.

20

Essential Amino Acids

These are amino acids that are essential to the body but cannot be made in the body. There are 9 of them. We must get these 9 from our diet.

Words ending with 'ase'

Are Enzymes

Enzymes

Are one of the most important groups of proteins