Proteins Flashcards
What elements do proteins contain?
Carbon, hydrogen, oxygen and nitrogen.
What is the name of the bonds between amino acids?
Peptide bonds.
What are the 4 chemical groups in amino acids?
Amino, carboxyl, hydrogen and variable (R).
What are enzymes made up of?
Proteins.
How many different amino acids are there?
20.
How many amino acids do we produce ourselves?
12.
What are enzymes?
Biological catalysts that speed up reactions.
What are the 4 structures in proteins?
Primary, secondary, tertiary and quaternary.
What 2 shapes can proteins be?
Fibrous and globular.
What are fibrous proteins made up of?
Polypeptide chains that are tightly coiled.
What are globular proteins made up of?
Polypeptides that are highly folded.
What temperature can proteins be denatured from?
45+.
What is collagen?
A protein.
Where is collagen used?
Tendons, teeth, skin, bones, cartilage and blood vessels.
What number and shape of chains does collagen consist of?
3 polypeptide chains in a helix.
