| A | B |
| Carbohydrate | Short-term energy, sometimes structure |
| Lipid | long-term energy, part of cell membrane |
| Protein | Growth, repair, build muscles, speed reactions |
| Nucleic Acids | store genetic info in cells |
| DNA | stores info in two strands of nucleotide bases |
| Glucose | produced in photosynthesis, short term energy, simple sugar |
| Cellulose | makes plant cell wall strong |
| Enzymes | proteins that speed up reactions |
| Hemoglobin | protein that binds oxygen for transport in blood |
| Insulin | protein hormone that controls blood sugar |
| Glycogen | complex carb found in animal muscle cells |
| Starch | complex carb found in plant cells |
| mRNA | single strand of nucleotides with Uracil, has codons |