Chapter 4: Chemical Building Blocks
Animations
4.1: Activity: Temperature and molecular movement
Adjust a slider to see how changes in temperature affect the form that water takes.
4.2: Activity: Salt dissolving in water
Explore the process of salt dissolving in water represented by figure 4.4.
4.3: Tutorial: Acids, bases, and pH
This tutorial explores how the pH scale measures the strength of an acidic or basic solution.
4.4: Activity: Building proteins from amino acids
Explore how covalent bonds are formed through dehydration synthesis reactions.
4.5: Activity: Phospholipids form membranes
Test your recall for figure 4.16 with this key figure labeling exercise.
4.6: Tutorial: Heat changes protein structure: Frying an egg
This tutorial explores how the weak hydrogen bonds that maintain the three-dimensional shape of proteins can be broken easily by chemicals or heat.
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