Slides in this set
What you should remember from the
magical land of GCSE.
Respiration is the reaction of glucose and oxygen to make
carbon dioxide, water and energy.
All living things are able to do this process.
IT IS NOT BREATHING!!!!!…read more
Wait, you can't make energy!!!
At GCSE you were taught that respiration produces
However now you are at A2, it is actually a lie! The first
rule of thermodynamics is that energy can't be created or
What you actually produce in respiration is a molecule
known as ATP.
Sorry kids, but your GCSE teacher is just a giant liar.…read more
What is ATP?
ATP is short for Adenosine Triphosphate.
This molecule is made from Adenine (aden), a ribose sugar
(os) and 3 inorganic phosphate groups (triphosphate).
I can't explain the ine, I'm afraid. Just think that biology
likes to put random letters at the end of words to make
you sound clever.
ATP. Look at how wonderful it is.…read more
So why is ATP important.
ATP is seen as the universal energy currency in all living
cells (just imagine it as the euro in europe).
When ATP is hydrolysed, it releases ADP and an inorganic
phosphate group. This causes energy to be released.
ATP is used in all active processes. Some examples are;
muscle contraction, active transport and the synthesis of
Barry needed lots of ATP for his
recent show.…read more