BRAINCAKEPhosphorylation
Glycolysis can be considered to be divided into three main steps. The first is phosphorylation of the glucose molecule is to make it more reactive, the second is lysis and the third substrate-level phosphorylation.
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Key terms in this lesson
- glycolysis
- The first stage of respiration, occurring in the cytoplasm, in which glucose is split into two molecules of pyruvate with a net yield of 2 ATP and reduced NAD.
- substrate-level phosphorylation
- The direct formation of ATP from ADP by the transfer of a phosphate group from an intermediate substrate, without the involvement of the electron transport chain.
- ATP
- Adenosine triphosphate, the universal energy currency of cells, formed by adding an inorganic phosphate to ADP and hydrolysed to release energy for cellular reactions.
More in Respiration
- Energy from Glucose.
- Glycolysis
- Lysis
- Substrate Level Phosphorylation
- The Link Reaction
- The Krebs Cycle.
- oxidative phosphorylation
- ATP Synthase
All 12 lessons in Respiration · All AQA A-level Biology topics