CAIE A-Level Biology A2 12.1.2 Atp Features As Universal Energy Currency Questions
Explain why ATP is a universal energy currency using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Explain why ATP is a universal energy currency using evidence from each question and mark scheme.
Describe and explain the features of ATP that make it suitable as the universal energy currency.
any four from:
1 small / water-soluble, so can move around cell ;
2 loss of phosphate / hydrolysis, leads to energy release ;
3 (release energy) immediately / in small packets
or
ref. 30.5 kJ( mol−1);
4 can be, recycled / regenerated or
ATP ⇆ ADP + Pi ;
5 link between energy-yielding and energy-requiring reactions / AW ;
6 high turnover / described ;
7 ref to ATPase ;