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Is it made of cells?

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Title: Cell Structure and Functions Author: rchs Last modified by: Carver, Brandy Created Date: 11/10/2003 8:18:35 PM Document presentation format – PowerPoint PPT presentation

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Title: Is it made of cells?


1
Is it made of cells?
  1. Flowers
  2. Skin
  3. Proteins
  4. Rocks
  5. Milk
  6. Bone
  7. Lungs
  8. Hamburger
  9. DNA
  10. Calcium
  11. Apples
  12. Chromosomes
  13. Saliva
  14. atoms
  • 15. Sand
  • 16. Worms
  • 17. Leaf
  • 18. Water
  • 19. Molecules
  • 20. Sugar
  • 21. Chlorophyll
  • 22. Paramecium
  • 23. Blood
  • 24 Cell membrane
  • 25. Mushrooms

2
From Carbon to Coffee Bean
  • Amazing Cells http//learn.genetics.utah.edu/cont
    ent/begin/cells/

3
  • http//learn.genetics.utah.edu/content/begin/cells
    /scale/

4
From carbon to coffee beanSmallest-----Largest
  1. Carbon atom
  2. Adenine
  3. Glucose
  4. Phospholipid
  5. Antibody
  6. Ribosome
  7. Influenza virus
  8. E. coli Bacterium
  9. Mitochondria
  1. Bakers yeast
  2. Sperm cell
  3. RBC
  4. Skin cell
  5. Human Egg
  6. Paramecium
  7. Amoeba Proteus
  8. Grain of Salt
  9. Coffee Bean

5
Levels Of OrganizationCells are the basic unit
of Structure and Function!
6
  • What is the difference between prokaryotes and
    eukaryotes?

7
Cell Structure and Functions
8
Cell Theory
  • There are three parts to the cell theory
  • 1. All living things are made of one or
  • more cells
  • 2. Cells are the basic units of structure
  • and function in organisms.
  • 3. All Cells arise from pre-existing cells

9
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10
Cell Organelles
  • What are organelles?
  • internal compartments that carry out specific
    cell functions
  • How are organelles beneficial to a cell?
  • They allow the cell to grow larger and become
    more specialized

11
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12
  • Nucleus control center houses DNA directs
    activities of the cell
  • Nucleolus producing ribosomes
  • Nuclear envelope envelope encloses the
    nucleus and its contents
  • Nuclear pore door, pore in nucleus can allow
    substances (RNA) to leave

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14
Mitochondria
  • Powerhouse of the cell
  • Energy production for cells (ATP)
  • Sites of aerobic respiration
  • mitochondria makes me mighty

15
Smooth endoplasmic reticulum
  • Cell Highway
  • Synthesizes steroids
  • Detoxifies poisons (alcohol)
  • Transports substances
  • Regulates calcium levels for muscle contraction

16
  • Back Road
  • Transports proteins

17
Ribosomes
  • Farmer
  • Make proteins

18
Golgi Apparatus
  • Post Office
  • membrane-bound structure
  • organelle modifies molecules and packages them
    into small membrane bound sacs called vesicles

19
Vesicle
  • Taxi
  • Membrane-sac that transports materials
  • vesicle website

20
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21
Lysosomes
  • Recycling Center
  • digests waste materials and food within the cell
  • breaks down molecules into their base components
    with strong digestive enzymes

22
How do plant cells differ from animal cells?
23
Plant Cell
  • Plant cells have different structures
  • Contain
  • Cell wall
  • Great wall of China
  • Protection Shape
  • Chloroplast
  • Green Machine
  • Site of photosynthesis
  • Vacuole
  • Garage
  • Stores water
  • Large in plant cells, small in animal cells

24
Cell membrane
  • Fence
  • Regulates substances in and out of the cell.
  • cell membrane website

25
Cell wall
  • Protection, Shape

26
Cytoplasm
  • Juice, Gel
  • Fluid portion of the cell
  • Suspends organelles

27
centrioles
Assist with cell division helps to move
chromosomes
28
Chromatin
  • library
  • Stores genetic info.
  • Material consisting of DNA and proteins only
    visible during cell division.

29
Different levels of DNA condensation. (1) DNA
strand. (2) Chromatin strand (DNA with histones).
(3) Chromatin during interphase with centromere.
(4) Condensed chromatin during prophase. (Two
copies of the DNA molecule are now present) (5)
Chromosome during metaphase.
30
  • Microtubules
  • Skeleton
  • Part of cytoskeleton
  • Assist in cell division and provide internal
    support
  • Can combine with other proteins to form complex
    structures like cilia and flagella

31
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32
Cilia
  • Hairs
  • Fine, hair-like projections on surfaces of cells

33
Flagella
  • tail
  • Cellular movement

34
Peroxisome
  • Garbage Disposal
  • Produces H2O2
  • Helps destroy unneeded substances.

35
  • http//learn.genetics.utah.edu/content/begin/cells
    /insideacell/
  • http//www.khanacademy.org/science/biology/human-b
    iology/v/parts-of-a-cell

36
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