B3.4 - Catalysts and Enzymes Flashcards
What is the process when an enzyme’s active site deforms.
It is denatured.
What is an active site?
An active site is where the molecule is catalysed.
What enzymes digests proteins?
protease break down protein into amino acids
What enzymes break down starch?
Amylase break down starch into simpler sugars such as maltose
What enzymes break down fats?
Lipase break down fats into fatty acids and glycerol
Where is lipase made?
It is made in the pancreas and small intestine.
Where is protease made?
It is made in the stomach, pancreas and small intestine.
Where is carbohydrase made?
It is made in the salivary glands, pancreas and small intestine.
What is it that makes the enzymes meet the molecules they are meant to digest?
Random movement.
How would a enzyme become denatured?
The ph is too acidic or alkaline. Also it can denature if the temperature is too high.
What is a catalyst?
A catalyst is a substance which increases the speed of a reaction, without being changed or used up in the reaction
What are enzymes made of?
Enzymes are all large proteins and all proteins are made of chains of amino acids which are folded up into unique shapes, which enzymes need to do their jobs
Enzymes are not ____. They are produced by ____ things to act as ______ catalysts
Living, living, biological
What is the substance that an enzyme acts on called?
A substrate
How do enzymes work?
1 - every enzyme has an active site with a unique shape that fits the substance involved in the reaction
2 - the enzyme will meet the substrate it reacts with by random movement
3 - The enzyme changes shape slightly to create a tight fit
4 - The enzyme speed up the reaction of the substrate into its products
5 - The products leave the active site
