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Diversity of Life #3
| Question | Answer |
|---|---|
| cell | the basic unit of life. All organisms are cells or are made of cells. |
| cell membrane | the boundary between a cell and its environment, lets things in and out of the cell |
| cell structure | a part of a cell with a specific job that enables an organism to carry out life's functions |
| cell wall | a semirigid structure that protects the cell and gives it shape |
| chlorophyll | a green pigment in chloroplasts that captures light energy to make sugars during photosynthesis |
| chloroplast | an organelle containing chlorophyll, found in plant cells and some protists, collects sunlight |
| cytoplasm | the fluid-like interior of a cell outside the nucleus |
| mitochondrion | an organelle that uses aerobic cellular respiration to change glucose into usable energy for the cell. Found only in eukaryotes. |
| nucleus | an organelle that regulates protein production and contains genetic material |
| organelle | a membrane-bound structure inside eukaryotic cells that performs specialized functions |
| ribosomes | makes proteins |
| Endoplasmic Reticulum (ER) | The transportation system of the cell. It moves materials around the cell |
| prokaryote | A unicellular organism that lacks a nucleus and membrane bound organelles |
| eukaryote | A cell that contains a nucleus and membrane bound organelles |
| large central vacuole | Stores water and helps give shape to the cell |
| DNA | A complex molecule containing the genetic information that makes up the chromosomes. |
| multicellular | made of many cells |
| unicellular | made of only one cell |