2010_Cell Organelles-Oct 19 Quiz
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17 terms
Sundanese | English |
|---|---|
| cell membrane |  thin, flexible barrier around all cells; regulates what enters and leaves the cell |
| cell wall | strong rigid layer found on the outside of many cells; provides support and protection; not found in animals |
| centrioles | cylinder-shaped organelles formed from microtubules; they are perpendicular to one another and function in animal cell division |
| chloroplasts | convert solar energy into chemical energy in the process of photosynthesis; found in plants and green algae |
| cytoskeleton | consists of microtubules and microfilaments that function in the movement and support of the cell and which help to maintain cell shape |
| endoplasmic reticulum | internal membrane system in cells; smooth is involved in the production of lipids; rough modifies and transports proteins |
| Golgi body or Golgi Apparatus | stack of membranes in the cell in which enzymes attach carbohydrates and lipids to proteins |
| lysosomes | these organelles contain enzymes that break down worn-out cell parts, defend against invaders, and digest food particles |
| mitochondria | convert molecules from food into usable ATP molecules, supplying the cell with the energy needed for chemical reactions |
| nucleolus | small dense region within most nuclei in which the assembly of ribosomes begins |
| nucleus | large structure inside almost all eukaryotic cells; contains the cell's genetic material and controls the cell's activities |
| ribosomes | link amino acids together to make proteins; some are attached to endoplasmic reticulum and others float free in the cell |
| vacuoles | fluid-filled membrane sacs that store water, food molecules, inorganic ions, and enzymes; plants contain one that takes up most of the space in a plant cell and which helps to support the plant |
| nuclear membrane | a double membrane that surrounds the nucleus and which is pierced with small pores that allow small molecules to pass between the nucleus and the cytoplasm |
| cytoplasm | material inside the cell membrane, not including the nucleus; found in both prokaryotes and eukaryotes |
| cilia | short, hairlike structures on the outside of some cells; function in movement; made of microtubules |
| flagella | long, hairlike structures on the outside of some cells; function in movement; made of microtubules |
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