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All about Cells
Science Cells Study
| Question | Answer |
|---|---|
| Ribosomes | Makes proteins |
| Vacuole | Storage tank for water, enzymes, and waste |
| Cell Membrane | Controls what enters and leaves the cell |
| Cytoplasm | A jellylike fluid inside the cell. All organelles float in me. |
| Nucleus | Control center of the cell. DNA is located in me. |
| Chloroplast | Food factory of a plant cell |
| Endoplasmic Reticulum | Passageway in the cell. I carry proteins around the cell. |
| Mitochondrion | Powerhouse of the cell and I make energy through cellular respiration |
| Golgi Body | I package and ship proteins outside of the cell |
| DNA | Hereditary material inside of the nucleus |
| Lysosome | Breaks down particles inside of the cell. I act like the garbage and recycling center |
| Cell Wall | Non-living part of a cell. I provide strength and support. |
| Microscope | Tool that allowed scientists to see cells for the first time. |
| Cell Theory | 1. All living organisms are composed of one or more cells. 2. The cell is the basic unit of structure and function of living things 3. Cells come from other cells |
| Response to change | If a morning is especially cold, a rattlesnake will seek heat by lying on a rock in the sun. |
| Use energy | A tree uses photosynthesis to change light energy into sugar and convert this into usable energy. |
| Reproduce | A bear population increased because they mated and produced offspring |
| Has Cells | A crab has different types of cells in its body. |
| Grow, Develop, and Die | A lion is capable of gaining weight at very fast rates in its early years of life. |
| Has DNA | DNA determines hair color, eye color, etc. 1/2 comes from mom and 1/2 comes from dad. |
| Independent variable | variable that can be changed |
| Dependent Variable | a variable whose value depends on that of another. |
| X-axis | the horizontal line on a graph |
| Y-axis | the vertical line on a graph |
| Cell | Basic unit of life |
| cells come from other ____ | Cells |
| All _______ things are made up of at least one cell | living |
| bacteria is made up of _____ cells | Prokaryotic |
| Eukaryote | A cell that contains a nucleus and membrane bound organelles |
| human cells | Eukaryotic |
| Many cells | multicellular |
| one cell | unicellular |
| Zacarias & Hans Janssen | Produced the 1st compound microscope |
| Robert Hooke | Discovered cells |
| Anton Van Leeuwenhoek | Invented the microscope, discovered bacteria, observed living cells |
| Matthias Schleiden | Studied plants under a microscope. Noticed plants were made of cells |
| Theodor Schwann | concluded that all animals are made of cells |
| Robert Remak | All cells come from pre-existing cells |
| Which three scientists directly contributed to the "all organisms are composed of cells" part of the cell theory? | Anton Van Leeuwenhoek Matthias Schleiden Theodor Schwann |
| Theory | explanation that has been repeatedly tested and accepted by the majority of the scientific community |
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