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Eukaryotic Cell Structures

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Eukaryotic Cell Structures & Functions An Organelle Is: What are some functions that occur within a cell? Plant Cell Cellulose = carbohydrate found in cell walls Cell ... – PowerPoint PPT presentation

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Title: Eukaryotic Cell Structures


1
Eukaryotic Cell Structures Functions
2
An Organelle Is
A minute structure within a plant or animal cell
that has a particular job or function.
3
What are some functions that occur within a cell?
Digestion Excretion Transportation
of cells products Storage
Protection Division
Mobility Respiration or Photosynthesis
4
Found only in Plants
Cell Walls Cellulose Chloroplasts
5
Plant Cell
  • Cellulose carbohydrate found in cell walls
  • Cell Wall forms rigid outer structure, made of
    cellulose (fiber)

6
Chloroplast absorbs light, changes light energy
into chemical energy for photosynthesis GREEN
Sacks
7
Cell wall
Chloroplast
Large vacuole
PLANT CELL
8
Found in both Plant and Animal Cells
Cell Membrane Semi-permeable, controls what
enters and leaves the cell, outer containment
envelope. Cytoskeleton gives structure to a
cell (14)
9
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10
Nucleus
Cell Membrane
ANIMAL PLANT
11

Control center for plant and animal
cells
This organelle controls cell activities and
reproduction
12
Nucleus
Nucleolus little nucleus
Animal Cell
13

Control center for plant and animal
cells
Nucleus control center for activities
reproduction, DNA chromosomes housed
here. Nucleolus contains and makes RNA
14
Chromosome coiled DNA contains instruc-tions
for char-acteristics of an organism.
Control center for plant and animal
cells
Chromatin protein composing chromosomes
15
Red Blood Cells have no nucleus
16
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)
17
Ribosomes Site of Protein Synthesis on the E.R.
Endoplasmic Reticulum
ROUND Ribosomes
18
Cytoplasmor cytosol, gel surrounds the
organelles, contains enzymes
19
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.
20
Endoplasmic Reticulum
Rough with Ribosomes for protein synthesis
Smooth Membrane highway For transport
of materials
21
Golgi Bodies (aka Golgi Apparatus) where cell
products are modified and packaged in vesicles
for export from the cell.
Sacks for making storing Secretions
22
Vacuole storage for food and waterWhy are
plant vacuoles larger than animal vacuoles?
Plant Vacuole
23
Some Animal cell vacuoles pump water out by
contracting
Do you see 2 Contractile vacuoles in this
Paramecium?
24
Lysosome Contains digestive enzymes Breaks down
large molecules
25
The power house of the cell
Mitochondria site where energy is released from
glucose in the form of
ATP
26
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