Download Cell Structure Lesson: Nucleus

7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
A eukaryotic
cell is like
a factory.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
Like any factory,
a cell’s job is to produce
and then “ship
out” a product. The cell’s main product is protein.
All of a cell’s organelles play a part in this process.
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s
7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
What do all factories have?
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
1. Separate work areas.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
2. A main office.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
3. Machines.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
4. An assembly line (finishing).
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
5. A shipping and packaging department.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
6. A storage area.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
7. A custodial staff.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
8. A power source.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
9. Beams and columns.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
10. Security.
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7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
1. Separate work areas.
2. A main office.
3. Machines.
4. Assembly line (finishing).
5. Shipping/packaging.
6. Storage area.
7. Custodial staff.
8. Power source.
9. Beams and columns.
10. Security.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
1. Membrane-bound organelles.
Like factories, cells have areas where different
jobs are done.
nucleus
Golgi Apparatus
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7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
1. Separate work areas.
2. A main office.
1. Membrane-bound organelles.
2. A main office.
3. Machines.
3. Machines.
4. Assembly line (finishing).
4. Assembly line (finishing).
5. Shipping/packaging.
5. Shipping/packaging.
6. Storage area.
6. Storage area.
7. Custodial staff.
8. Power source.
7. Custodial staff.
8. Power source.
9. Beams and columns.
9. Beams and columns.
10. Security.
10. Security.
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7-2 Eukaryotic Cell Structure
Ass we learn
about each membrane-bound organelle,
we will label them in these diagrams:
Animal
Plant
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7-2 Eukaryotic Cell Structure
Nucleus
2. The Nucleus
Essentially, the “main office” of the cell.
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s 7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
1. Separate work areas.
2. A main office.
1. Membrane-bound organelles.
2. The nucleus.
3. Machines.
3. Machines.
4. Assembly line (finishing).
4. Assembly line (finishing).
5. Shipping/packaging.
5. Shipping/packaging.
6. Storage area.
6. Storage area.
7. Custodial staff.
8. Power source.
7. Custodial staff.
8. Power source.
9. Beams and columns.
9. Beams and columns.
10. Security.
10. Security.
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7-2 Eukaryotic Cell Structure
Nucleus
nucleus
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7-2 Eukaryotic Cell Structure
Nucleus
Nucleus
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7-2 Eukaryotic Cell Structure
Nucleus
What is the function of the nucleus?
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Nucleus
7-2 Eukaryotic Cell Structure
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“Boss” of the cell; organelle that tells the cell which proteins
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to make, and how to make them.
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Eukaryotic Cell Structure
Nucleus
The nuclear7-2membrane
is dotted with
pores (holes),
which allow instructions to leave the nucleus.
Nuclear
membrane
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
3. Ribosomes.
The “machines” of the cell.
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7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
3. Machines.
1. Membrane-bound organelles.
2. The nucleus.
3. Ribosomes.
4. Assembly line (finishing).
4. Assembly line (finishing).
5. Shipping/packaging.
5. Shipping/packaging.
6. Storage area.
6. Storage area.
7. Custodial staff.
8. Power source.
7. Custodial staff.
8. Power source.
9. Beams and columns.
9. Beams and columns.
10. Security.
10. Security.
1. Separate work areas.
2. A main office.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
Ribosome (free)
Ribosome
(attached)
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7-2 Eukaryotic Cell Structure
Nucleus
Ribosome (free)
Ribosome
(attached)
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7-2 Eukaryotic Cell Structure
Ribosomes
What is the function of ribosomes?
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Ribosomes7-2 Eukaryotic Cell Structure
Polymerize AA’s
Make protein following instructions sent by the nucleus.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
sSend
How Organelles Work
Together
Sends
instructions
Nucleus
Polymerization
Ribosome
Protein
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7-2 Eukaryotic
Cell StructureareRibosomes
Proteins leaving
the ribosome
not finished; they
need to be folded into the correct shape.
Protein
folding
Unfinished
protein
Finished
protein
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Eukaryotic Cell Structure
Eukaryotic Cell Structures
sSend 7-2
How
Organelles Work
Together
Sends
instructions
Nucleus
Polymerization
Ribosome
Unfinished
Protein
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
4. The Endoplasmic Reticulum (ER)
The “assembly line” of the cell, where products are
finished.
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7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
1. Separate work areas.
2. A main office.
1. Membrane-bound organelles.
2. The nucleus.
3. Machines.
3. Ribosomes.
4. Assembly line (finishing).
4. Endoplasmic reticulum (ER)
5. Shipping/packaging.
5. Shipping/packaging.
6. Storage area.
6. Storage area.
7. Custodial staff.
8. Power source.
7. Custodial staff.
8. Power source.
9. Beams and columns.
9. Beams and columns.
10. Security.
10. Security.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
Smooth ER
Rough ER
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7-2 Eukaryotic Cell Structure
Nucleus
Smooth ER
Rough ER
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7-2 Eukaryotic Cell Structure
Endoplasmic Reticulum
What is the function of the rough (ER)?
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Rough ER
7-2 Eukaryotic Cell Structure
Protein
folding
Unfinished
protein
Finished
protein
Receives unfinished protein from the ribosomes and
folds it into the correct shape.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
sSend
How Organelles Work
Together
Sends
instructions
Polymerization
Ribosome
Nucleus
Folding
Enters
Unfinished
Protein
Unfinished
Protein
Rough ER
Finished
protein
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7-2 Eukaryotic Cell Structure
Ribosomes
Finished products
must be packaged
so that they can
be shipped out.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
5. The Golgi Apparatus
The “shipping and packaging department” of a cell.
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s
7-2 Eukaryotic Cell Structure
FACTORY PART
Eukaryotic Cell Structures
CELL PART
1. Separate work areas.
2. A main office.
1. Membrane-bound organelles.
2. The nucleus.
3. Machines.
4. Assembly line (finishing).
3. Ribosomes.
4. Endoplasmic reticulum (ER)
5. Shipping/packaging.
Golgi apparatus
5. Shipping/packaging.
6. Storage area.
6. Storage area.
7. Custodial staff.
8. Power source.
7. Custodial staff.
8. Power source.
9. Beams and columns.
9. Beams and columns.
10. Security.
10. Security.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
Golgi
apparatus
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7-2 Eukaryotic Cell Structure
Nucleus
Golgi
apparatus
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7-2 Eukaryotic Cell Structure
Golgi Apparatus
What is the function of the Golgi
apparatus?
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7-2 Eukaryotic Cell Structure
Golgi Apparatus
Receives finished proteins from the rough ER and
packages them so that they can be shipped out of the48 Slide
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cell.
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7-2 Eukaryotic Cell Structure
Structures
Each protein
is packaged inside aEukaryotic
vesicle,Cell
which
pinches
off from the Golgi apparatus.
Vesicle
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
Vesicles fuse
with the cell membrane,
pushing the
protein out of the cell.
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7-2 Eukaryotic Cell Structure
Eukaryotic Cell Structures
sSend
How Organelles Work
Together
Sends
instructions
Polymerization
Ribosome
Nucleus
Folding
Enters
Unfinished
Protein
Rough ER
Finished
protein
Packaging
Enters
Finished
protein
Unfinished
Protein
Golgi
apparatus
Packaged Slide
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