| A | B |
|---|
| Meiosis | reduces the number of chromosomes in half |
| osmosis | diffusion of water |
| Diffusion | small particles spread out evenly |
| enzyme | Acts as a chemical catalyst |
| hypertonic | high pressure |
| hypotonic | low pressure |
| active transport | cellular energy is used to move particles |
| anabolism | builds large, complex molecules from smaller ones |
| catabolism | releases energy from the broken molecules |
| Hydrases | add water to a molecule without splitting it |
| substrate | molecule acted upon by an enzyme molecule |
| coenzyme | cofactor is an organic nonprotein molecule |
| active site | structural attribute of enzymes |
| kinases | substance that converts proenzymes |
| proenzyme | inactive enzyme |
| anaerobic | requires no oxygen |
| aerobic | requires oxygen |
| codon | code word for "triplet" |
| gene | segment of a DNA molecule |
| genome | an entire set of DNA |
