| A | B |
|---|
| Osmosis | The diffusion of water |
| Active transport | Type of transport that requires energy |
| Cell | Smallest unit of life |
| Passive transport | The type of transport that does not require energy |
| Hypothesis | Tentative explanation for a natural phenomenon that can then be tested |
| Independent variable | A variable that is purposely manipulated (changed) in an experiment |
| Dependent Variable | The variable that is the result or response in an experiment (data) |
| Constant Variable | Any variable that remains the same throughout all experimental groups |
| Nucleus | Directs all cell activities, contains DNA |
| Endoplasmic reticulum | Transports proteins throughout the cell |
| Vacuole | Stores food, water, and waste |
| Mitochondria | Supplies energy to the cell, carries out cell respiration |
| Chloroplast | Site of photosynthesis |
| Cell wall | Gives the plant support and protection |
| Cell membrane | Controls what enters and leaves the cell |
| Cytoplasm | Holds all organelles |
| Interphase | Cell size doubles, DNA replicates |
| Metaphase | Chromosomes move to the middle of the cell |
| Telophase | Two nuclei form in the cell |
| Prophase | DNA condenses into chromosomes |
| Cytokinesis | Cytoplasm splits, creating two daughter cells |
| Anaphase | Chromosomes move to the opposite ends of the cell |
| Robert Hooke | Examined cork cells, gave cell its name |
| Anton van Leeuwenhoek | Observed living cells under a miscroscope |
| Schleiden and Schwann | Discovered all plants and animals have cells |
