| A | B |
|---|
| cell membrane | separates teh cells contents from materials outside the cell and regulates what moves in and out of a cell |
| cytoplasm | everything inside the cell membrane except the cell's genetic material |
| ribosomes | the structures on which proteins are made |
| prokaryotic | single celled organisms that lack internal membrane bound compartments |
| eukaryotic | have a nucleus and organelles |
| organelles | carry out specific functions in a cell |
| atoms | all living and nonliving htings are composed of these |
| element | a substance that can not be broken down to any other substance by ordinary chemical means |
| compound | a group of atoms held together by chemical bonds |
| molecule | a group of atoms held together by covalent bonds |
| polar molecules | molecules with unequal areas of charge |
| acid | any compound that forms hydrogen ions when dissolved in water is this |
| carbohydrates | composed of carbon, hydrogen and oxygen with a 1:2:1 ratio |
| pollysaccharides | carbs made by linking individual sugars together to form long chains |
| saturated fats | contain the maximum number of C-H bonds |
| amino acids | the building blocks of proteins |
| polypeptides | long chains of amino acids |
| nucleic acids | long chains of small repeating subunits |
| DNA | the nucleic acid that stores hereditary information in your cells |
| RNA | makes proteins |
