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Cell Organelles. An organelle is a membrane-bound structure that carries out specific activities for the cell. Video: http://www.youtube.com/watch?v=o1GQyciJaTA Song: http://www.youtube.com/watch?v=-zafJKbMPA8. COMMON CELL TRAITS.

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PowerPoint Slideshow about ' Cell Organelles' - bell-wright


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Presentation Transcript
slide2
An organelle is a membrane-bound structure that carries out specific activities for the cell.

Video: http://www.youtube.com/watch?v=o1GQyciJaTA

Song: http://www.youtube.com/watch?v=-zafJKbMPA8

common cell traits
COMMON CELL TRAITS
  • A cell is the smallest unit that is capable of performing life functions.
comparing cells
COMPARING CELLS
  • The size & shape of a cell relates to its function. (job it does)
prokaryotic cells proh kayr ee yah tihk
PROKARYOTIC CELLS(proh KAYR ee yah tihk)
  • cells without a nucleus
  • EX: Eubacteria and Archaebacteria

pond scum

eukaryotic cells yew kayr ee yah tihk
EUKARYOTIC CELLS(yew KAYR ee yah tihk)
  • cells with a nucleus
  • EX: animals, plants, fungi and protists
  • Prokaryotic vs. Eucaryotic interactive explanation
  • http://www.pisgahscience.com/holmescc/module4/pro_eukar.swf
organelles
ORGANELLES
  • Organelle = “little organ”
  • An organelle is a membrane-bound structure that carries out specific activities for the cell.
  • Found only inside eukaryotic cells
cell wall plant cell only
CELL WALL(Plant Cell Only)
  • Protects and supports
  • Gives shape
  • Stiff covering located outside of the cell membrane
  • Allows materials to pass through
  • A cell wall is found in plants, algae, fungi, & most bacteria cells.
cell membrane
CELL MEMBRANE
  • Outer covering, protective layer around ALL cells.
  • For cells with cell walls, the cell membrane is inside the cell wall.
  • Allows food, oxygen, & water into the cell & waste products out of the cell.
cytoplasm
CYTOPLASM
  • Not an organelle
  • Cyto=cell
  • Translucent, grayish, jellylike
  • All organelles reside (live and float around in) the cytoplasm
  • Gelatin-like inside cell membrane
  • Constantly flows
  • Made mostly of water
nucleus
NUCLEUS
  • Directs all cell activities
  • Contains instructions for everything the cell does
  • These instructions are found on a hereditary material called DNA
  • Usually the largest organelle
  • Easiest organelle to see under a microscope
chloroplast plant cell only
CHLOROPLAST(Plant Cell Only)
  • Contains chlorophyll
  • Makes plants green
  • Uses light energy to make ATP & sugars
  • Photosynthesis takes place here
chlorophyll
CHLOROPHYLL
  • A green chemicalthat gives leaves & stems their color
  • Captures sunlight energy that is used to produce food called glucose
  • Glucose is a type of sugar
mitochondria
MITOCHONDRIA
  • Organelles that release energy from food
  • This energy is released by breaking down food into carbon dioxide
  • A.k.a. the powerhouse b/c they release energy from food
ribosomes
RIBOSOMES
  • Make proteins
  • Float freely or attached to the endoplasmic reticulum (ER)
  • Ribosomes are made in the nucleus
endoplasmic reticulum
ENDOPLASMIC RETICULUM
  • A.k.a. “ER”
  • A series of folded membranes that move materials (proteins) around in a cell
  • Like a conveyor belt
  • Smooth ER – ribosomes not attached to ER
  • Rough ER – ribosomes attached to ER
golgi complex
GOLGI COMPLEX
  • Stack of flat, pancake-shaped discs
  • Modify, sort, package, and store carbohydrates and proteins until they are needed.
  • Makes lysosomes
lysosomes
LYSOSOMES
  • Breaks down materials for digestion
  • Contains special enzymes for digestion in the cell
  • Garbage disposal of the cell
vacuole
VACUOLE
  • Most plant cells have one large one
  • Filled w/ fluid
  • Temporary storage spaces
  • Stores food, water, waste
  • Song: http://www.youtube.com/watch?v=rABKB5aS2Zg
plant and animal cells both have
Plant and Animal Cells both have:
  • Cell Membrane
  • Nucleus
  • Cytoplasm with organelles
plant and animal cell differences
Plant and Animal Cell Differences
  • PLANT CELL
    • Has a cell wall which is thicker and tougher than a cell membrane.
    • Contains chloroplasts which contain chlorophyll and allows the plant to make its own food.
  • ANIMAL CELL
    • Does not contain a cell wall.
    • Does not contain chloroplasts.
slide22

Inside a Cell Tour: I like how you watch them change the cell from a animal cell to a plant cell. The difference between the two is made very obvious.

  • http://learn.genetics.utah.edu/content/begin/cells/insideacell/
slide23

Comparing a Factory to a Cell

1- Nucleus

2- Chromosomes

3- Mitochondria

4- Ribosomes

5- Chloroplasts

6- Vacuoles

8- Cell Membrane

7- ER

quick review
Quick Review
  • Which organelle is the control center of the cell?

Nucleus

  • Which organelle holds the cell together?

Cell membrane

  • Which organelles are not found in animal cells?

Cell wall, central vacuole, chloroplasts

  • Which organelle helps plant cells make food?

Chloroplasts

  • What does E.R. stand for?

Endoplasmic reticulum

name the organelle
NAME THE ORGANELLE

a. _________

c. ___________

b. ___________

d. ____________

name the organelle1
NAME THE ORGANELLE

a. Nucleus

c. Golgi body

b. Chloroplast

d. Mitochondria

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