Eukaryotic Cell Structures

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Eukaryotic Cell Structures Functions

• Ch7.3 (Ch7 Vocabulary Guide)

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An Organelle Is
A minute structure within a plant or animal cell
that has a particular job or function.
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What are some functions that occur within a cell?
Digestion Excretion Transportation
of cells products Storage
Protection Division
Mobility Respiration or Photosynthesis
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Organelles found only in Plants
Cell Walls Cellulose Chloroplasts
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Plant Cell

• Cellulose carbohydrate found in cell walls
• Cell Wall forms rigid outer structure, made of
  cellulose (fiber)

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Cell wall
Chloroplast
Large vacuole
PLANT CELL
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Found in both Plant and Animal Cells
Organelles that surround cells for support
Cell Membrane Semi-permeable, controls what
enters and leaves the cell, outer containment
envelope. Cytoskeleton gives structure to a
cell (14)
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Nucleus
Cell Membrane
ANIMAL PLANT
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Control center for plant and animal
cells
This organelle controls cell activities and
reproduction
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Nucleus
Nucleolus little nucleus
Animal Cell
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Control center for plant and animal
cells
Nucleus control center for activities
reproduction, DNA chromosomes housed
here. Nucleolus contains and makes RNA
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Chromosome coiled DNA contains instruc-tions
for char-acteristics of an organism.
Control center for plant and animal
cells
Chromatin protein composing chromosomes
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Red Blood Cells have no nucleus
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Control center for plant and animal
cells
Nuclear membrane protects and controls what
goes in and out of the nucleus (notice the
nuclear pores in this picture of a nucleus)
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Ribosomes Site of Protein Synthesis on the E.R.
Endoplasmic Reticulum
ROUND Ribosomes
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Cytoplasmor cytosol, gel surrounds the
organelles, contains enzymes
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ER Endoplasmic Reticulum specializes in the
production transport of lipids and membrane
proteins Rough ER has ribosomes Smooth ER
lacks ribosomes
Ribosomes Where proteins are manufactured.
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Endoplasmic Reticulum
Rough with Ribosomes for protein synthesis
Smooth Membrane highway For transport
of materials
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Golgi Bodies (aka Golgi Apparatus) where cell
products are modified and packaged in vesicles
for export from the cell.
Sacks for making storing Secretions
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Vacuole storage for food and waterWhy are
plant vacuoles larger than animal vacuoles?
Plant Vacuole
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Some Animal cell vacuoles pump water out by
contracting
Do you see 2 Contractile vacuoles in this
Paramecium?
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Lysosome Contains digestive enzymes Breaks down
large molecules
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Chloroplast absorbs light, changes light energy
into chemical energy for photosynthesis GREEN
Sacks
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The power house of the cell
Mitochondria site where energy is released from
glucose in the form of
ATP
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