click below
click below
Normal Size Small Size show me how
Cell & Sci Method
10 week CFA 8th grade- cells, sci method
Term | Definition |
---|---|
cell wall | A tough, rigid outer covering that protects the cell and gives it shape |
cell membrane | The protective layer around all cells; controls what happens between a cell and its environment |
cytoplasm | Gel-like material where chemical reactions occur |
nucleus | Directs all cell activities; contains DNA |
nucleolus | Assembles ribosomes |
chloroplast | Where food is made; contains chlorophyll |
mitochondria | Releases energy by breaking down food into carbon dioxide and water |
ribosomes | Make proteins |
endoplasmic reticulum | A series of folded membranes in which materials can be processed and moved around inside the cell |
golgi body | Sort proteins and other cellular materials |
lysosome | Break down and recycle materials |
vacuole | Store cellular materials, such as water, wastes and food |
inference | A prediction; what you think |
model | A representation to show the appearance of something |
conclusion | A result or final outcome |
hypothesis | An educated guess |
observation | Fact based on your senses |
data | Information gathered during an experiment |
control | Used as a standard of comparison |
independent variable | Variable that is changed |
dependent variable | Variable that is measured |