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Molecular Biology of the Cell, Fifth Edition

Bruce Alberts, Alexander Johnson, Julian Lewis, Martin Raff, Keith Roberts, Peter Walter

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Chapter   
  • Movies (135)

    Viewing 1 - 10 of 135 results
    • 1.1 Keratocyte Dance

      [video/quicktime, 6.07 MB]

      Chapter Name:
      Chapter 1: Cells and Genomes
      Description:
      Keratocytes, found on the scales of fish, are specialized for very rapid motility in order to heal scratches.
    • 1.2 Crawling Amoeba

      [video/quicktime, 1.46 MB]

      Chapter Name:
      Chapter 1: Cells and Genomes
      Description:
      This single-celled amoeba crawls around by using actin polymerization to push out pseudopods, or false feet, to explore new territory. At the same time, organelles move in complex patterns within the cell.
    • 1.3 Swimming Eutreptiella

      [video/quicktime, 863.54 kB]

      Chapter Name:
      Chapter 1: Cells and Genomes
      Description:
      Some cells use rather peculiar ways to move, such as this eutreptiella flagellate, which uses both flagella and pronounced cell shape changes to swim.
    • 2.1 Noncovalent Interactions

      [video/quicktime, 5.59 MB]

      Chapter Name:
      Chapter 2: Cell Chemistry and Biosynthesis
      Description:
      Molecules in solution undergo random thermal movements and may encounter each other frequently if the concentration is sufficiently high. If two molecules with poorly matched surfaces collide, only a few weak bonds will form ...
    • 2.2 Analogy of Enzyme Catalysis

      [video/quicktime, 3.49 MB]

      Chapter Name:
      Chapter 2: Cell Chemistry and Biosynthesis
      Description:
      Envision a molecule, here symbolized by the ball, that, in principle, can react in four different ways.
      To undergo any of these reactions, the molecule must overcome an activation energy barrier that is of a characteristic ...
    • 2.3 Brownian Motion

      [video/quicktime, 1.76 MB]

      Chapter Name:
      Chapter 2: Cell Chemistry and Biosynthesis
      Description:
      Powered by thermal energy, molecules are constantly in motion—called Brownian motion—which allows them to diffuse through cells in a random walk. Our simulation shows the degree to which a small sugar molecule on the left and a ...
    • 2.4 Glycolysis

      [video/quicktime, 6.88 MB]

      Chapter Name:
      Chapter 2: Cell Chemistry and Biosynthesis
      Description:
      Cells break down food molecules, such as glucose, through multi-step pathways. In the process of glycolysis, the breakdown of one glucose molecule into two three-carbon molecules produces a net gain of energy that is captured by ...
    • 2.5 Citric Acid Cycle

      [video/quicktime, 8.14 MB]

      Chapter Name:
      Chapter 2: Cell Chemistry and Biosynthesis
      Description:
      Cells break down food molecules, such as glucose, through multi-step pathways. For example, in the process of glycolysis, breakdown of glucose molecules releases energy that is captured by the energy carrier molecules, such as ATP ...
    • 3.1 α Helix

      [video/quicktime, 4.17 MB]

      Chapter Name:
      Chapter 3: Proteins
      Description:
      The α helix is one of the most common secondary structures in proteins. Amino acid side chains project outwards from the polypeptide backbone that forms the core of the helix. The chain is stabilized in this conformation by ...
    • 3.2 β Sheet

      [video/quicktime, 3.81 MB]

      Chapter Name:
      Chapter 3: Proteins
      Description:
      The β sheet is another common secondary structure. In contrast to an α helix, it is formed by hydrogen bonds between backbone atoms on adjacent regions of the peptide backbone, called β strands. These interactions do not involve ...
    Viewing 1 - 10 of 135 results