CHEMISTRY OF LIFE & HEALTH
Investigate fictional classroom cases. Choose an explanation, get immediate feedback, and use the clues to connect chemistry with biology.
Why chemistry matters to Biology & NursingInside the Human BodyChemistry of Medicine
A fictional laboratory places red blood cells in a solution with fewer effective dissolved particles than the cell interior. The cells grow larger. What explains the observation?
Clue: the membrane allows water to cross.
A fictional beaker changes pH only slightly after a small amount of acid is added. A second, unbuffered beaker changes much more. What is doing the work in the first beaker?
Clue: some components can react with added acid.
Two fictional drug-like molecules have the same formula and bonding connections but are non-superimposable mirror images. A protein binds one more strongly. Why can this happen?
Clue: the protein’s binding site has a three-dimensional shape.