B2 Cell Organisation And Enzymes Flashcards
Large multicellular organisms are made of what?
Organ systems.
Large multicellular organisms have different systems inside them for what?
Exchanging and transporting materials.
Similar cells are organised into what?
Tissues. A tissue is a group of similar cells that work together to carry out a particular function.
Tissues are organised into what?
Organs.
Organs are organised into what?
Organ systems.
What are enzymes? What are they produced by?
Enzymes are catalysts. Produced by living things.
What is a catalyst?
A substance which INCREASES the speed of a reaction
Why do enzymes have special shapes?
So they can catalyse reactions.
What do enzymes need the right of?
Right Temperature and PH
Digestive enzymes break down what?
Big molecules.
Carbohydrases convert what into what?
Convert carbohydrates into simple sugars.
Proteases convert what into what?
Proteins into amino acids.
Lipases convert …… into …….
Lipids into glycerol and fatty acids.
Bile neutralises ….. and emulsifies …..
Neutralises the stomach acid and emulsifies fats.
Where is bile produced?
Liver.
