Energy And ATP Flashcards
0
Q
Why do organisms need energy?
A
Metabolism Active transport (of...) Substance production (eg.) Movement (internal and...) Maintenance and repair (of...) Body temp
1
Q
Define energy
A
The ability to do work
2
Q
What is useful about the structure of ATP?
A
3 unstable phosphate bonds that have a low activation energy so are easily broken -> releasing energy
3
Q
Hydrolysis of ATP
A
ATP + water –> ADP + Pi + E
4
Q
Condensation of ATP
A
ADP + E + Pi –> ATP + water
5
Q
What are the roles of ATP?
A
Metabolic processes (synthesis) Movement Active transport (of...) Molecule activation (eg.)
6
Q
Benefits of ATP
A
Immediate energy source
Released in small quantities
7
Q
What cells have the most mitochondria?
A
Muscle fibres and epithelium of the small intestine
