- Campylobacteriosis
- Candidiasis
- Carbon Cycle in Microorganisms
- Caulobacter
- Cech, Thomas R. (1947- )
- Cell Cycle and Cell Division
- Cell Cycle (Eukaryotic), Genetic Regulation of
- Cell Cycle (Prokaryotic), Genetic Regulation of
- Cell Membrane Transport
- Centers for Disease Control
- Chagas Disease
- Chain, Ernst Boris (1906-1979)
- Chaperones
- Chase, Martha Cowles (1927- )
- Chemical Mutagenesis
- Chemoautotrophic and Chemolithotrophic Bacteria
- Chemotherapy
- Chitin
- Chlamydial Pneumonia
- Chlorination
- Chlorophyll
- Chlorophyta
- Chloroplast
- Chromosomes, Eukaryotic
- Chromosomes, Prokaryotic
- Chronic Bacterial Disease
- Cloning: Applications to Biological Problems
- Coagulase
- Cohen, Stanley N. (1935- )
- Cohn, Ferdinand Julius (1828-1898)
