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34 Cards in this Set
- Front
- Back
14.Define organ systems.
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Groups of organs that work together to perform particular jobs.
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What is the function of the cell membrane?
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It keeps the cytoplasm inside and allows nutrients in and waste products out.
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13. All cells are surrounded by a ________________________.
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cell membrane
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15. Define organelle.
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Structures inside the cell that enable the cell to live, grow, and reproduce.
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16. Define organism.
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Anything that can live on its own.
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17. Define structure.
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Structure is the shape of a part and the material it is made of.
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18. How many cells are humans made of?
How many cells did you start from? |
100 trillion;
Only 1 |
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7. Name three organ systems in your body. (Short Answer)
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Digestive System, Circulatory System, Respiratory System, Skeletal System
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8. One of the world's largest cells is a chicken egg. What does this show?
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This shows that not all cells are too small to be seen without a microscope
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9. Organs are made up of groups of ________________.
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Tissues
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10. T or F All cells are surrounded by a cell membrane.
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True
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11. T or F All cells come from other cells.
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True
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12. T or F All cells are able to survive on their own.
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False. Many cells are dependent on others for life.
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2. The information for how to make proteins is located in what organelle?
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The nucleus
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3. What are organs made of?
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Groups of tissues
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4. What are the three parts of the cell theory?
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1. The cell is the basic unit of all living things
2. All cells come from existing cells 3. All organisms are made up of one or more cells |
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5. What are tissues made of?
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Groups of cells
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6. What basic structure carries out functions to sustain life?
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Cells
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28. What did Virchow say about cells?
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Virchow said that all cells come from cells.
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30. What is DNA?
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The genetic material in the cell.
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31. What is a single-celled organism?
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It is a single cell that is living on its own.
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32. What is the difference between a plant cell and an animal cell? (Short answer)
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A plant cell has a cell wall and chloroplasts and the animal cell does not.
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33. What is the function of the cell membrane?
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It acts as a barrier between the inside of the cell and the cell's environment.
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23. What is the function of the digestive system?
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It breaks down food into very small particles so that it can be used by all of your body's cells.
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24. What is the function of the plant leaf?
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It captures light energy to make food for the plant.
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25. What is the structure and the function of the lungs and the heart? (Short Answer)
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1.Lungs-
structure: groups of air sacs Function: breathing 2. Heart- structure: set of muscle chambers Function: pump blood |
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26. What types of cells have a nucleus? (Short Answer)
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Eukaryotic
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27. What was the first person to discover and name "the little boxes" seen under a microscope looking at?
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A slice of cork
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19. Where in the cell does photosynthesis occur?
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In the chloroplasts
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20. Where is DNA found?
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In cells (in the nucleus)
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21. Why is an elephant larger than a human?
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An elephant has more cells than a human does.
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22. What is the difference between a eukaryote and a prokaryote?
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Eukaryotes have a nucleus. Prokaryotes do not.
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29. What is DNA and where is it found? (Short Answer)
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DNA is the genetic material. It is found in the nucleus of cells.
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1. T or F All cells contain cytoplasm and organelles.
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True
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