| A | B |
|---|
| DNA | discovered by Oswald Avery in 1944 |
| adenine | pairs with thymine |
| thymine | pairs with adenine |
| guanine | pairs with cytosine |
| cytosine | pairs with gunaine |
| uracil | in RNA- replaces thymine |
| nucleotide | basic unit of RNA and DNA |
| replication | process of forming 2 DNA molecules |
| transcription | process of forming RNA using DNA as a pattern |
| ribosome | an organelle that directs the assembling of proteins |
| genes | segment of DNA that controls a specific trait |
| cytokenesis | division of parent cell's cytoplasm after mitosis |
| photosynthesis | occurs in chloroplasts |
| diffusion | movement of molecules from an area of high concentration to an area of low concentration in order to achieve an equilibreum |
| Osmosis | diffusion of water across a membrane |
| Mitchochondria | powerhouse of the cell |
| Celsius | the scale most scientists use to measure temperature |
| millimeter | one thousandth of a meter |
| mass | the amount of matter in an object is it's |
| volume | the amount of space occupied by and object is it's |
