The Cell: A Molecular Approach

Fourth Edition

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Chapter 2: The Composition of Cells

Animations

The following animations are available for this chapter:

• 2.1  Bond Formation The polymerization of sugars, amino acids, and nucleotides to form polysaccharides, polypeptides, and nucleic acids, respectively, occurs through covalent bonding.
• 2.2  Passive transport Simple diffusion and facilitated diffusion are types of passive transport by which certain molecules cross biological membranes.

These animations are in Adobe Flash format. These require the Flash player (version 9 or newer recommended), which can be downloaded free of charge from the Adobe website:
http://www.adobe.com/software/flashplayer/