7.4 Flashcards
What is the order of stages in cellular respiration?
Glycolysis, the link reaction, the Krebs cycle, then the electron transport chain and ATP synthase.
what are the inputs and outputs of each stage in cellular respiration?
The inputs of glycolysis are glucose and ADP, then the outputs are ATP and pyruvate. The inputs of the Krebs cycle are ADP and pyruvate, then the outputs are carbon dioxide and ATP. The inputs of the electron transport chain are oxygen and ADP, then the ouputs are water and ADP
Where is each stage located?
Glycolysis occurs in the cytoplasm, the Krebs cycle occurs in the mitochondria in the matrix, the electron transport chain and ATP synthesis occur in the mitochondria, in the intermembrane space and the matrix.
What is the chemical equation for cellular respiration?
Glucose + ADP + pyruvate + oxygen → ATP + pyruvate + ADP + carbon dioxide + water.
What stages happen and how is ATP produced with or without oxygen?
With oxygen, all stages occur except fermentation and approximately 34 ATP are produced; without oxygen, only glycolysis and lactic acid fermentation occur, and only 2 ATP are produced.
