3.1.6 ATP KRQs
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1
Draw and label the structure of ATP and give the full name
2
What are the products of the Hydrolysis of ATP
ADP & Pi
3
What is the reaction catalysed by ATP synthase
ADP & Pi》ATP & H2O
4
What is the reaction catalysed by ATP hydrolase
ATP & H20 》 ADP & Pi
5
Describe how ATP is resynthesised in cells
From ADP and phosphate using the enzyme ATP synthase, completing a condensation reaction, occurring during respiration and photosynthesis
6
Give reasons why ATP is a suitable energy source for cells
Releases relatively small amount of energy so little energy is lost as heat. It is a one-step reaction so it releases energy instantaneously. It can Phosphorylate other compounds so it makes them more reactive. It can be rapidly resynthesised, so it is readily available.
7
How can the Hydrolysis of ATP be used by cells
To provide energy for other reactions; To add phosphate to other substances and make them more reactive or change their shape
8
Why is it important that ATP is continually synthesised?
ATP cannot be stored, it is an immediate energy source of energy, ATP only releases a small amount of energy at a time