What the Cell?
Cell <ul><li>Cell  -  smallest, independent unit of life! </li></ul><ul><li>  -  made up of  organelles  –  nucleus, mitoc...
1. Plasma Membrane <ul><li>Cell Membrane  –  surrounds the entire cell. </li></ul><ul><li>- “Semi-permeable” –  lets only ...
2. Cytoplasm <ul><li>Cytoplasm  –  fluid “jelly” material that fills the cell. </li></ul><ul><li>- made up mostly of  wate...
3.  Nucleus <ul><li>Nucleus  –  controls all activities of the cell. </li></ul><ul><li>-  contains  chromosomes & DNA. </l...
4.  Mitochondria <ul><li>Mitochondria  –  makes the cell’s  ATP  (energy). </li></ul><ul><li>- Carries out  Cellular Respi...
5.  Endoplasmic Reticulum <ul><li>E.R.  –  pathways which transport and make materials. </li></ul><ul><li>-  Rough ER  –  ...
6. Ribosome <ul><li>Ribosome  –  synthesizes proteins for the cell. </li></ul><ul><li>- can be attached to  Endoplasmic Re...
7. Vacuole <ul><li>Vacuole  –  “sack” that stores materials. </li></ul><ul><li>a. Food vacuole –  stores food </li></ul><u...
8. Golgi Bodies   <ul><li>Golgi Bodies  –   package and ship materials around cell. </li></ul>
9. Lysosome <ul><li>Lysosome  –  “ sack ”  containing digestive enzymes. </li></ul><ul><li>- destroys  wastes, food, bacte...
Plant Cells Vs. Animal Cells
Plant Cells <ul><li>1. Cell wall  –  provide support and protection for the cell. </li></ul><ul><li>- lies  OUTSIDE  cell ...
<ul><li>2. Chloroplast –  uses energy from the sun to make simple sugars (glucose). </li></ul><ul><li>- contain  chlorophy...
<ul><li>Central (Large) Vacuole  –  large vacuole found in the center of most plant cells. </li></ul><ul><li>- stores  wat...
Animal Cells <ul><li>Centriole  –  cylindrical “sticks” that help in cellular division. </li></ul>
<ul><li>Small Vacuoles  –  small storage vesicles found throughout the animal cell. </li></ul><ul><li>- animal cells tend ...
Single-Celled Vs. Multicellular <ul><li>Single-cell –  organisms that are made of only one cell. </li></ul><ul><li>- capab...
<ul><li>Multicellular –  organisms that are made up of many, many cells. </li></ul><ul><li>-  Tissues  –  group of cells w...
Multicellular Organization Organelles Cells Tissues Organs Organ Systems Organism
 
 
Microscopy and Cell Theory Microscopy and Cell Theory
<ul><li>- allows light to pass through specimen and uses  two  lenses to form an image. </li></ul><ul><li>- paves the way ...
Electron Microscope <ul><li>Observe specimens 1000X smaller than light microscopes. </li></ul><ul><li>- uses a beam of ele...
Cell Theory <ul><li>Cell   Theory: </li></ul><ul><li>All living things are composed of cells. </li></ul><ul><li>Cells are ...
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Cellular Presentation

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Cellular Presentation

  1. 1. What the Cell?
  2. 2. Cell <ul><li>Cell - smallest, independent unit of life! </li></ul><ul><li> - made up of organelles – nucleus, mitochondria, cell membrane, etc. </li></ul>
  3. 3. 1. Plasma Membrane <ul><li>Cell Membrane – surrounds the entire cell. </li></ul><ul><li>- “Semi-permeable” – lets only certain materials into and out of cell. </li></ul><ul><li>- Lipid “Bilayer” - </li></ul><ul><li>2 layers of lipids. </li></ul>Proteins Lipids Receptors
  4. 4. 2. Cytoplasm <ul><li>Cytoplasm – fluid “jelly” material that fills the cell. </li></ul><ul><li>- made up mostly of water ! </li></ul>
  5. 5. 3. Nucleus <ul><li>Nucleus – controls all activities of the cell. </li></ul><ul><li>- contains chromosomes & DNA. </li></ul><ul><li>- in charge of cell division </li></ul>Nucleus
  6. 6. 4. Mitochondria <ul><li>Mitochondria – makes the cell’s ATP (energy). </li></ul><ul><li>- Carries out Cellular Respiration . </li></ul>
  7. 7. 5. Endoplasmic Reticulum <ul><li>E.R. – pathways which transport and make materials. </li></ul><ul><li>- Rough ER – has ribosomes. </li></ul><ul><li>- Smooth ER – no ribosomes. </li></ul>
  8. 8. 6. Ribosome <ul><li>Ribosome – synthesizes proteins for the cell. </li></ul><ul><li>- can be attached to Endoplasmic Reticulum </li></ul><ul><li>or “free” floating in the cytoplasm. </li></ul>
  9. 9. 7. Vacuole <ul><li>Vacuole – “sack” that stores materials. </li></ul><ul><li>a. Food vacuole – stores food </li></ul><ul><li>b. Contractile vacuole – pumps water out </li></ul>
  10. 10. 8. Golgi Bodies <ul><li>Golgi Bodies – package and ship materials around cell. </li></ul>
  11. 11. 9. Lysosome <ul><li>Lysosome – “ sack ” containing digestive enzymes. </li></ul><ul><li>- destroys wastes, food, bacteria, etc. </li></ul>
  12. 12. Plant Cells Vs. Animal Cells
  13. 13. Plant Cells <ul><li>1. Cell wall – provide support and protection for the cell. </li></ul><ul><li>- lies OUTSIDE cell membrane. </li></ul><ul><li>- makes plant cells box or diamond shaped. </li></ul>Cell wall “outer layer”
  14. 14. <ul><li>2. Chloroplast – uses energy from the sun to make simple sugars (glucose). </li></ul><ul><li>- contain chlorophyll which captures sunlight. </li></ul><ul><li>- carries out photosynthesis : </li></ul><ul><li>6 H 2 O + 6 CO 2 ------> C 6 H 12 O 6 + 6 O 2 </li></ul><ul><li>( water ) ( carbon dioxide ) ( glucose ) ( oxygen ) </li></ul>
  15. 15. <ul><li>Central (Large) Vacuole – large vacuole found in the center of most plant cells. </li></ul><ul><li>- stores water and sap (food). </li></ul>
  16. 16. Animal Cells <ul><li>Centriole – cylindrical “sticks” that help in cellular division. </li></ul>
  17. 17. <ul><li>Small Vacuoles – small storage vesicles found throughout the animal cell. </li></ul><ul><li>- animal cells tend to have many small vacuoles to store food, water, or wastes . </li></ul>Small Vacuole
  18. 18. Single-Celled Vs. Multicellular <ul><li>Single-cell – organisms that are made of only one cell. </li></ul><ul><li>- capable of metabolism and homeostasis. </li></ul><ul><li>Ex: bacteria, paramecium, etc. </li></ul>
  19. 19. <ul><li>Multicellular – organisms that are made up of many, many cells. </li></ul><ul><li>- Tissues – group of cells working together. </li></ul><ul><li>- Organs – group of tissues working together. (Ex: Stomach) </li></ul><ul><li>- Organ systems – group of organs working together. (Ex: Digestive) </li></ul><ul><li>Ex: Humans, plants, animals </li></ul>
  20. 20. Multicellular Organization Organelles Cells Tissues Organs Organ Systems Organism
  21. 23. Microscopy and Cell Theory Microscopy and Cell Theory
  22. 24. <ul><li>- allows light to pass through specimen and uses two lenses to form an image. </li></ul><ul><li>- paves the way for cell theory . </li></ul><ul><li>- can observe LIVING specimens. </li></ul><ul><li> </li></ul>Compound Light Microscope
  23. 25. Electron Microscope <ul><li>Observe specimens 1000X smaller than light microscopes. </li></ul><ul><li>- uses a beam of electrons. </li></ul><ul><li>- can NOT observe living specimens. </li></ul>
  24. 26. Cell Theory <ul><li>Cell Theory: </li></ul><ul><li>All living things are composed of cells. </li></ul><ul><li>Cells are basic units of structure and function in living things. </li></ul><ul><li>All cells arise from previous cells. </li></ul>

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