Cells
Common Cell Traits <ul><li>Cells come in different  sizes  and  shapes . </li></ul><ul><li>All cells have a  cell membrane...
<ul><li>Only  plants ,  algae ,  fungi , and  bacteria  have cell walls. </li></ul><ul><li>Cell walls are tough, rigid out...
Nucleus of a Cell <ul><li>The  nucleus  is the control center of the cell because it holds all the  genetic  material whic...
Organelles in the Cytoplasm <ul><li>Organelles  are tiny cell structures which carry out specific functions within the cel...
Mitochondria <ul><li>Mitochondria  are rod-shaped organelles known as the “powerhouses” of the cell. They convert energy i...
Ribosomes <ul><li>Ribosomes  are very small grainlike structures that function as factories to produce proteins. </li></ul...
Endoplasmic Reticulum(ER) <ul><li>The  endoplasmic reticulum(ER)  is a series of folded membranes or passageways that carr...
Golgi Bodies <ul><li>The  Golgi bodies  are stacked, flattened membranes which receive  proteins  and other newly formed m...
Chloroplasts <ul><li>Plant  cells have  chloroplasts  which are green organelles that capture the energy from sunlight and...
Vacuoles <ul><li>Vacuoles  are the  storage  areas of cells. </li></ul><ul><li>Most  plants  have  one large  vacuole whil...
Lysosomes <ul><li>Lysosomes  are small,  round  structures containing chemicals that  break  down certain materials in the...
Cytoskeleton <ul><li>Microtubules  and  Microfilament  both make up the cytoskeleton framework. They both support the cell...
Levels of Organization <ul><li>Cells </li></ul><ul><li>Tissues </li></ul><ul><li>Organs </li></ul><ul><li>Systems </li></u...
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Cell Organelles Powr Point

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Cell Organelles Powr Point

  1. 1. Cells
  2. 2. Common Cell Traits <ul><li>Cells come in different sizes and shapes . </li></ul><ul><li>All cells have a cell membrane which is an outer covering that controls what comes into and out of a cell. </li></ul><ul><li>All cells have cytoplasm which is a gelatinlike material. </li></ul>
  3. 3. <ul><li>Only plants , algae , fungi , and bacteria have cell walls. </li></ul><ul><li>Cell walls are tough, rigid outer coverings that protect the cell and give it shape. </li></ul>
  4. 4. Nucleus of a Cell <ul><li>The nucleus is the control center of the cell because it holds all the genetic material which tells the cell what to do. </li></ul><ul><li>It is protected by a membrane called the nuclear membrane . </li></ul><ul><li>The nucleolus is inside the nucleus and this is where ribosomes are made. </li></ul>
  5. 5. Organelles in the Cytoplasm <ul><li>Organelles are tiny cell structures which carry out specific functions within the cell. </li></ul><ul><li>Examples include the Mitochondria,ribosomes , endoplasmic reticulum, golgi bodies, chloroplasts, vacuoles, lysosomes. </li></ul>
  6. 6. Mitochondria <ul><li>Mitochondria are rod-shaped organelles known as the “powerhouses” of the cell. They convert energy in food molecules to energy the cell can use to carry out its functions. </li></ul>
  7. 7. Ribosomes <ul><li>Ribosomes are very small grainlike structures that function as factories to produce proteins. </li></ul><ul><li>They may be attached to the endoplasmic reticulum or they may float in the cytoplasm. </li></ul>
  8. 8. Endoplasmic Reticulum(ER) <ul><li>The endoplasmic reticulum(ER) is a series of folded membranes or passageways that carry proteins and other materials from one part of the cell to another. </li></ul><ul><li>It may be rough or smooth. The smooth ER has no attached ribosomes . The rough ER has attached ribosomes. </li></ul>
  9. 9. Golgi Bodies <ul><li>The Golgi bodies are stacked, flattened membranes which receive proteins and other newly formed materials from the ER, package them, and distribute them to other parts of the cell. </li></ul><ul><li>Golgi bodies are like the UPS . </li></ul>
  10. 10. Chloroplasts <ul><li>Plant cells have chloroplasts which are green organelles that capture the energy from sunlight and use it to make food . </li></ul><ul><li>Chloroplasts make leaves green. </li></ul>
  11. 11. Vacuoles <ul><li>Vacuoles are the storage areas of cells. </li></ul><ul><li>Most plants have one large vacuole while animal cells may have one, more than one, or no vacuoles. </li></ul><ul><li>Vacuoles stores food and other materials needed by the cell. </li></ul><ul><li>They also store waste . </li></ul>
  12. 12. Lysosomes <ul><li>Lysosomes are small, round structures containing chemicals that break down certain materials in the cell. </li></ul><ul><li>Lysosomes are the cell’s cleanup crew. </li></ul>
  13. 13. Cytoskeleton <ul><li>Microtubules and Microfilament both make up the cytoskeleton framework. They both support the cell. </li></ul>
  14. 14. Levels of Organization <ul><li>Cells </li></ul><ul><li>Tissues </li></ul><ul><li>Organs </li></ul><ul><li>Systems </li></ul><ul><li>Organism </li></ul>
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