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Enzyme Action Investigation
My aim is to collect sensible results in an investigation to prove the
optimum temperature for the enzyme amylase to break down starch.
Background info
An enzyme is a biological catalyst that breaks down large molecular
structures so they can be absorbed easier. It is found in all living
things and there are more than 700 known enzymes in existence. However
when an enzyme reacts, it remains the same and can continue breaking
down substrates, which is the reason why we do not have many. An
enzyme is also designed not to break down living cells. This is
incredibly important and to prevent them from doing this, the membrane
of a living cell has high resistance. However when a cell dies, the
membrane becomes permeable, therefore protein-consuming enzymes will
break into the cell and digest the proteins inside.
Every enzyme has specificity and can only break down particular
molecular structures. To explain, the lock and key theory is used. The
enzyme is the lock and only a certain key will fit into it, this is
the substrate. This is to make sure that the enzyme does not complete
the wrong reaction. If the substrate cannot fit into the enzyme, it
will rebound until it hits the correct enzyme.
Carbohydrase enzymes will only break down carbohydrates.
Broken down substrate (simple sugars)