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    Life's Ratchet: How Molecular Machines Extract Order from Chaos

    Page 32
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      Kinetic theory of matter, 133

      Krebs cycle, 193, 194

      Lac-operon, 235–236

      Lagrange, Joseph Louis, 30

      La Mettrie, Julien Offray de, 22–26, 60

      clock analogy and, 25, 214

      denial of soul, 24–25

      irritability and, 24, 34

      rejection of chance, 25–26

      Landauer, Rolf, 131, 132

      Laplace, Pierre-Simon, 30, 43, 54

      Large Hadron Collider, 241

      Laser trap, 173

      Laser tweezers, 173–175

      Lavoisier, Antoine, 29–30, 39, 193

      Law of energy conservation, 37–38, 40, 41, 70, 74, 126–127

      Law of errors, 54, 55

      The Laws of the Game (Eigen), 66

      Leeuwenhoek, Antonie Philips van, 22

      Leibniz, Gottfried, 21, 37

      Lenoir, Timothy, 32n

      Liber De Ludo Aleae (Cardano), 49

      Liebig, Justus von, 39, 193

      Life

      chance and necessity and, 214–215, 246

      clock analogy, 25, 66, 214

      complexity of, 245–246

      defining, 1–2, 3–8, 229–230

      as game of chance, 66

      heat and, 17, 26–30

      molecular machines and, 242, 243–244

      noise and chaos and, 3

      as process, 229–231

      randomness and, 56–60

      See also Living organisms

      Life energy, 3–4

      Life force, 3–4, 9–44, 243

      animal heat, 26–30

      animism, 11–12

      atomism, 13–17

      chaos as, 7–8

      conservation of force and, 36–41

      Darwin and, 41–44

      energy and, 10–11

      irritability and, 34–36

      l’homme machine, 22–26

      mechanical philosophy, 19–22, 30–34

      medicine and, 18–19

      origin of idea of, 11–13

      vitalism, 12–13

      See also Vital forces; Vitalism/vitalists

      Life tables, 53–54

      Ligase, 204

      Liphardt, Jan, 135–136

      Lipid molecules, cooperativity and, 104–106, 107

      Liquids, molecular layers of, 118–120

      Living organisms

      clock analogy, 25, 66, 214

      electricity and study of, 35–36

      as open, dissipative systems, 86–87

      watch analogy, 214–216

      Loose coupling, 159, 160, 162–167

      Loschmidt, Josef, 133

      Loschmidt’s demon, 133

      Lottery, 51–52

      Lubrication, at nanoscale, 98

      Lucretius, 14

      Lysosomes, 169, 170

      Machines, efficiency of, 126–127

      Macroscopic world, order of, 68

      Macrostates, 75–76

      Magic, alchemy and, 18

      Man a Machine (L’homme machine) (La Mettrie), 23, 24

      Mass transport, in snow crystal growth, 102–103

      Matei, George, 118

      Matrix metalloproteinase (MMP), 209–211

      cancer and, 234–235

      Matrix metalloproteinase 1 (MMP-1), 210

      Matrix metalloproteinase 2 (MMP-2), 234

      Matrix metalloproteinase 14 (MMP-14), 233–234

      Matter

      graininess of, 98

      kinetic theory of, 133

      Maxwell, James Clerk, 55, 68, 69, 71, 125–126

      Maxwell’s demon, 128–129, 131–132, 156

      impossibility of realizing, 137

      Smoluchowski’s simplified version, 138

      Mayer, Julius Robert von, 37–38, 137

      Mayow, John, 27–28

      Mayr, Ernst, 94–95, 229, 230, 239

      Meaning, information vs., 222–223

      Mechanical energy, conversion from chemical energy to, 184–187

      Mechanical philosophy, 19–26

      conservation of energy and, 36–41

      limitations of, 31–34

      Mechanism, purpose vs., 41–44

      Medicine

      Galen and, 17–18

      Harvey and, 19–20

      Memory formation, 237

      Mendel, Gregor, 43–44, 61

      Méré, Chevalier de, 50

      Messenger RNA (mRNA), 202, 208, 209

      Micelles, 116

      formation of, 104–105, 106, 107

      Micrographia (Hooke), 4, 22

      Microscope, invention of, 22

      Microstates, 75–76, 77

      Microtubule filaments, 108, 110

      Microtubules, 90, 160, 169, 170

      Mitchell, Peter, 194–195

      Mitochondrion, 169, 170, 192–200

      ADP/ATP and, 159

      Mitosis, 182, 233

      Mlodinow, Leonard, 54

      MMP. See under Matrix metalloproteinase (MMP)

      Moivre, Abraham de, 54

      Molecular biology, 63–66

      Molecular circuits, 121–122

      Molecular feedback loop, 153–154

      Molecular layers, of liquids, 118–120

      Molecular machines, 94, 122–124

      activation energy and, 146–150

      cancer and, 3

      cellular functions of, 169–170

      chaos and, 7, 138, 145–146, 158, 168, 212, 226, 230, 238, 242

      coupling and, 159–168

      efficiency of, 144

      energy for, 158–159

      enzymes and, 149–154

      evolution of, 218–221, 226–227

      Feynman’s ratchet, 138–141

      free energy and, 157–159

      molecular storm and, 7, 145–146

      molecular tracks and, 154–155

      motion of, 162–166

      power density of, 144–145

      regulation of, 231–233

      reset step, 155–158

      second law of thermodynamics and, 127–128

      understanding life and, 242, 243–244

      See also Maxwell’s demon

      Molecular motors (motor proteins), 160–162, 170–192

      ATPase and, 171–172

      dynein, 170, 171

      kinesin, 170, 171, 176–182

      measurement of, 172–176

      myosin, 170–171, 176, 182–192

      Molecular scale, complexity of, 6–7

      Molecular storm, 14, 72

      creation of snowflake and, 83

      evolution and, 225–226

      free energy and, 83–85

      harnessing energy of, 138–141

      life force and, 243

      molecular machines and, 7, 145–146

      protein shape and, 114–115

      reset step and, 157–158

      role of random thermal noise of, 167–168

      Molecular switching, 220, 237

      cooperativity and, 121–122

      Molecular tracks, 154–155

      reset step and, 156

      tight and loose coupling and, 159–166

      Molecules

      evolution of, 216–217

      purposeful action and, 5

      self-assembly of, 100–115

      statistical mechanics and, 68–69

      Monads, 21

      Monastrol, 233, 234

      Monod, Jacques, 144, 151

      allostery and, 153

      lac-operon pathway, 235–236

      role of chance in history of life, 6, 57, 58–60, 224–225

      Moore, Walther J., 63

      Morgan, Thomas Hunt, 61

      Motility assays, 90

      Motion

      atomic, 71–73

      Brownian, 56, 71–72, 105–106, 129

      hydrolysis of ATP and, 184–187

      of kinesin-1, 176–181

      loose coupling and, 162–167

      molecular, 160–166

      of myosin V, 176, 182–187

      purposeful, 5, 12, 13, 14, 15, 16

      random (see Random motion)

      thermal (see Thermal noise (the
    rmal motion))

      tight coupling and, 160–162

      Motor domain, 232

      of kinesin-1 and myosin V, 176–177

      in kinesins, 181

      Muller, Hermann Joseph, 62

      Müller, Johannes Peter, 38

      Muscle, structure of, 188

      Muscle cells, myosin II and, 187–189

      Mutations, 62–63, 64

      thermal motion and, 225–226

      Myosin, 90, 170–171, 209

      myosin I, 189, 192

      myosin II, 167, 183, 184, 187–189

      myosin V, 176, 182–187, 189, 192

      myosin VI, 192

      myosin VII, 192

      myosin IX, 192

      classes of, 170

      family tree, 190–191

      G proteins and, 220

      superfamily, 189–192, 221

      N terminus, kinesins and, 181

      NAD+, 193

      NADH, 193, 194

      Nanobot, 93

      Nanophysics, 90–91

      Nanoscale, 91–94

      assembly at, 100–115

      energy equality at, 122–124

      scanning probe microscopes, 94–96

      violation of second law of thermodynamics and, 134–136

      Nanoscience, 92–93

      cooperativity, 104–106, 116–120

      entropic forces, 106–110

      hydrophobic forces, 110–112

      molecular switching, 121–122

      physical rules in, 97–99

      quantum-mechanical effects, 99–100

      thermal noise (thermal motion), 100, 122, 123–124

      Nanostructures, creation of, 103

      Nanotechnology, 5, 92

      Natarajan, Arun, 2

      Of Natural and Supernatural Things (Vesalius), 18

      A Natural History of the Soul (La Mettrie), 23

      Natural selection, 41–44

      Natural Theology (Paley), 42, 214

      Nature, La Mettrie and, 25–26

      Naturphilosophie, 32

      Necessity, chance vs., 6–8, 222, 224–225, 243, 246

      Negative feedback, 153

      Neutrons, 84

      Newton, Isaac, 21–22, 36, 37

      Newton’s cannonball, 128

      Noise, life and, 3

      Noji, Hiroyuki, 196–197

      Noller, Harry, 219

      Normal distribution, 54–55

      Nuclear fusion, 84

      Nucleotide bases, 201, 202, 205

      Nucleus, cell, 169, 170

      Octamethyl-cyclo-tetrasiloxane (OMCTS), 118–120

      Oils, 104, 110, 111

      On Growth and Form (Thompson), 7, 57

      The Onion (newspaper), 144

      “On the Nature of the Gene Mutation and the Gene Structure” (Delbrück et al.), 63

      Open systems, 85–87

      Operon, 235–236

      Oral, Ahmet, 96

      Order from order principle, 65–66

      Origin of Species (Darwin), 42, 60

      Osmosis, 211–212

      Osmotic pressure, 105–106

      Özer, Özgür, 96

      Paley, William, 42, 213–216

      Pantoprazole, 232

      Paracelsus, 18

      Particle physics, 241–242

      Pascal, Blaise, 50–53

      Pascal’s triangle, 51–52, 54

      Patil, Shiva, 118–119

      Paulze, Marie-Ann Pierrette, 29

      Perpetuum mobile, 136–137

      Perrin, Jean, 72

      Persistent activation, 236–237

      Pethica, John, 96–97

      The Phenomenon of Man (Chardin), 58

      Philosophiae Naturalis Principia Mathematica (Newton), 36

      Phlogiston theory of fire, 29–30

      Phosphoglucomutase, 150

      Physical forces, explanation of life and, 60

      Physical rules in nanoscience, 97–99

      Physics

      biology, 237–240

      evolution and, 60–63

      Rutherford on, 2

      Physics Today (journal), 144

      Plato, 15, 26

      Pneuma, 15, 17

      Points, problem of, 50–53

      Poker, 47–48

      Positive feedback, 153

      Power, 10

      Power density of molecular machines, 144–145

      Preformationism, mechanical philosophy and, 31–32

      Prey (Crichton), 92

      Probability, 47–48

      molecular motion and, 163, 164, 165

      theory of, 48–50

      Proceedings of the Natural History Society of Brünn (journal), 43

      Proceedings of the Royal Society (journal), 137

      Proctor, Bob, 10

      Promoter, 206

      Protein folding, 112–115, 223

      Protein shapes, 113–115

      Protein synthesis, 200, 207–209

      Proteins, 107–108

      enzymes and, 150

      evolution of, 217–218

      stability of, 117

      See also Molecular motors (motor proteins)

      Proton-motive force, 196, 197

      Protons, 84

      Pumps, 211–212

      Purpose, mechanism vs., 41–44

      Purposeful motion, 5, 12, 13, 14, 15, 16

      Pyruvate, 193

      Pythagoras, 14, 26

      Quantitative analysis, life and, 19–20

      Quantum-mechanical effects, 99–100

      Quantum mechanics, 56, 61

      Quarks, 84, 241

      Quetelet, Adolphe, 54–55

      Radiation

      mutation and, 62, 64

      quantum mechanics and, 61

      Ramanujan, Chandra, 96

      Random motion, 5

      Democritus and, 13, 14

      loose coupling and, 162–167

      Randomness, 46–47, 66, 245

      debate over, 56–60

      molecular scale and, 7

      physics and, 60–61

      protein folding and, 115

      See also Chance

      Random stacking, 79–80

      Ratchet

      evolution as, 225–226

      Feynman’s, 138–141

      Reductionism, 4–6, 238–242

     


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