(a)[3]
Identify the substances labelled P-U.
(b)[2]
Describe how ATP is made from ADP in the Krebs cycle.
(c)[4]
Describe and explain the properties of ATP that make it suitable to act as the universal energy currency.
Biology 9700 · AS & A Level · Respiration
Respiration — practice question
The Krebs cycle takes its name from the biochemist Sir Hans Krebs, who established the sequence in 1937.
Fig. 1.1 provides a simplified outline of the Krebs cycle.