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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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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 specific activities for the cell.

  • A cell is the smallest unit that is capable of performing life functions.


Comparing cells
COMPARING CELLS specific activities for the cell.

  • The size & shape of a cell relates to its function. (job it does)


Prokaryotic cells proh kayr ee yah tihk
PROKARYOTIC CELLS specific activities for the cell.(proh KAYR ee yah tihk)

  • cells without a nucleus

  • EX: Eubacteria and Archaebacteria

    pond scum


Eukaryotic cells yew kayr ee yah tihk
EUKARYOTIC CELLS specific activities for the cell.(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 specific activities for the cell.

  • 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 specific activities for the cell.(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 specific activities for the cell.

  • 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 specific activities for the cell.

  • 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 specific activities for the cell.

  • 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 specific activities for the cell.(Plant Cell Only)

  • Contains chlorophyll

  • Makes plants green

  • Uses light energy to make ATP & sugars

  • Photosynthesis takes place here


Chlorophyll
CHLOROPHYLL specific activities for the cell.

  • 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 specific activities for the cell.

  • 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 specific activities for the cell.

  • Make proteins

  • Float freely or attached to the endoplasmic reticulum (ER)

  • Ribosomes are made in the nucleus


Endoplasmic reticulum
ENDOPLASMIC RETICULUM specific activities for the cell.

  • 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 specific activities for the cell.

  • Stack of flat, pancake-shaped discs

  • Modify, sort, package, and store carbohydrates and proteins until they are needed.

  • Makes lysosomes


Lysosomes
LYSOSOMES specific activities for the cell.

  • Breaks down materials for digestion

  • Contains special enzymes for digestion in the cell

  • Garbage disposal of the cell


Vacuole
VACUOLE specific activities for the cell.

  • 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: specific activities for the cell.

  • Cell Membrane

  • Nucleus

  • Cytoplasm with organelles


Plant and animal cell differences
Plant and Animal Cell Differences specific activities for the cell.

  • 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.



Comparing a Factory to a Cell cell from a animal cell to a plant cell. The difference between the two is made very obvious.

1- Nucleus

2- Chromosomes

3- Mitochondria

4- Ribosomes

5- Chloroplasts

6- Vacuoles

8- Cell Membrane

7- ER


Quick review
Quick Review cell from a animal cell to a plant cell. The difference between the two is made very obvious.

  • 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 cell from a animal cell to a plant cell. The difference between the two is made very obvious.

a. _________

c. ___________

b. ___________

d. ____________


Name the organelle1
NAME THE ORGANELLE cell from a animal cell to a plant cell. The difference between the two is made very obvious.

a. Nucleus

c. Golgi body

b. Chloroplast

d. Mitochondria


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