Figure 9.0 Orangutans eating Figure 9.1 Energy flow and chemical recycling in ecosystems Figure 9.x1 ATP Figure 9.2 A review of how ATP drives cellular work Figure 9.3 Methane combustion as an energy-yielding redox reaction Figure 9.4 NAD+ as an electron shuttle Figure 9.5 An introduction to electron transport chains Figure 9.6 An overview of cellular respiration (Layer 1) Figure 9.6 An overview of cellular respiration (Layer 2) Figure 9.6 An overview of cellular respiration (Layer 3) Figure 9.7 Substrate-level phosphorylation Figure 9.8 The energy input and output of glycolysis Figure 9.9 A closer look at glycolysis: energy investment phase (Layer 1) Figure 9.9 A closer look at glycolysis: energy investment phase (Layer 2) Figure 9.9 A closer look at glycolysis: energy payoff phase (Layer 3) Figure 9.9 A closer look at glycolysis: energy payoff phase (Layer 4) Figure 9.10 Conversion of pyruvate to acetyl CoA, the junction between glycolysis and the Krebs cycle Figure 9.11 A closer look at the Krebs cycle (Layer 1) Figure 9.11 A closer look at the Krebs cycle (Layer 2) Figure 9.11 A closer look at the Krebs cycle (Layer 3) Figure 9.11 A closer look at the Krebs cycle (Layer 4) Figure 9.12 A summary of the Krebs cycle Figure 9.13 Free-energy change during electron transport Figure 9.14 ATP synthase, a molecular mill Figure 9.15 Chemiosmosis couples the electron transport chain to ATP synthesis Figure 9.16 Review: how each molecule of glucose yields many ATP molecules during cellular respiration Figure 9.17a Fermentation Figure 9.17b Fermentation Figure 9.x2 Fermentation Figure 9.18 Pyruvate as a key juncture in catabolism Figure 9.19 The catabolism of various food molecules Figure 9.20 The control of cellular respiration Figure 10.0 Sunbeams Figure 10.1 Photoautotrophs Figure 10.2 Focusing in on the location of photosynthesis in a plant Figure 10.3 Tracking atoms through photosynthesis Figure 10.4 An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle (Layer 1) Figure 10.4 An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle (Layer 2) Figure 10.4 An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle (Layer 3) Figure 10.x1 Melvin Calvin Figure 10.5 The electromagnetic spectrum Figure 10.6 Why leaves are green: interaction of light with chloroplasts Figure 10.7 Determining an absorption spectrum Figure 10.8 Evidence that chloroplast pigments participate in photosynthesis: absorption and action spectra for photosynthesis in an alga Figure 10.9 Location and structure of chlorophyll molecules in plants Figure 10.09x Chlorophyll Figure 10.10 Excitation of isolated chlorophyll by light Figure 10.11 How a photosystem harvests light Figure 10.12 How noncyclic electron flow during the light reactions generates ATP and NADPH (Layer 1) Figure 10.12 How noncyclic electron flow during the light reactions generates ATP and NADPH (Layer 2) Figure 10.12 How noncyclic electron flow during the light reactions generates ATP and NADPH (Layer 3) Figure 10.12 How noncyclic electron flow during the light reactions generates ATP and NADPH (Layer 4) Figure 10.12 How noncyclic electron flow during the light reactions generates ATP and NADPH (Layer 5) Figure 10.13 A mechanical analogy for the light reactions Figure 10.14 Cyclic electron flow Figure 10.15 Comparison of chemiosmosis in mitochondria and chloroplasts Figure 10.16 The light reactions and chemiosmosis: the organization of the thylakoid membrane Figure 10.17 The Calvin cycle (Layer 1) Figure 10.17 The Calvin cycle (Layer 2) Figure 10.17 The Calvin cycle (Layer 3) Figure 10.18 C4 leaf anatomy and the C4 pathway Figure 10.19 C4 and CAM photosynthesis compared Figure 10.20 A review of photosynthesis