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Cellular Respiration.pdfPage 1

During aerobic respiration, most ATP is made in the mitochondria by the electron transport chain and oxidative phosphorylation¹. Glycolysis yields only a small net amount of ATP in the cytoplasm.

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3Question¹Page 1

Which process makes most of a cell's ATP during aerobic respiration?

AGlycolysis
BFermentation
COxidative phosphorylation
DThe Calvin cycle

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Introductory biology midterm

Choose the single best answer for each question.

1. A cell is placed in a solution with a much higher solute concentration than its cytoplasm. What is most likely to happen?
- AWater enters and the cell swells
- BThe cell stays the same size
- CWater leaves and the cell shrinks
- DThe cell makes a new membrane
2. Which mechanism best explains why enzymes speed up chemical reactions?
- AThey lower the activation energy
- BThey raise the cell's temperature
- CThey supply extra reactants
- DThey change the final equilibrium

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