Download Plant Cell - Issaquah Connect

Good Morning
Welcome to Science
Objective: Explore Cells
Cells and Organelles
• Cells are the basic units of form and
function in living things.
• Cells have forms (structures) inside them
that do different jobs. These structures are
called organelles.
• Plant and animal cells have many in
common.
BrainPop: Cells
Organelles in Common
• Plant and animal cells
both have:
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Cell membrane
Cytoplasm
Nucleus
Ribosome
Endoplasmic reticulum
Golgi body
Cytoskeleton
Nucleolus
Mitochondrion
Lysosome
Vacuole
Centrosomes
Each of these
structures
does a specific
job for the cell!
Plant Cell
http://library.thinkquest.org/C004535/eukaryotic_cells.html
Animal Cell
BrainPop: Organelles
Cell Membrane
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Forms the outer boundary of animal cells.
Found inside the cell wall in plant cells.
Determines what can enter and leave a cell.
Made of protein and fat.
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookCELL2.html#The%20Cell%20Membrane
Cytoplasm
• The watery environment of the cell.
www.ndsu.nodak.edu/.../ 135/images/CELLCYTO.GIF
Nucleus
• The command
center of the cell.
• Contains DNA
(deoxyribonucleic
acid) the
command
molecule of the
cell.
• Surrounded by a
membrane.
http://ntri.tamuk.edu/cell/nucleus.html
Nucleolus
• The nucleolus is found inside a cell’s
nucleus.
• The nucleolus makes ribosomes for the
cell.
NUCLEOLUS
NUCLEUS
http://www.cs.utexas.edu/users/s2s/latest/cell1/src/tutorial/nucleolus.html
Ribosomes
• Ribosomes are found
attached to the rough
endoplasmic reticulum
(RER)
• Ribosomes are also
found floating in the
cytoplasm.
• Their job is to make
proteins that are
molecules that help to
build and repair cells.
http://micro.magnet.fsu.edu/cells/animals/images/ribosome.jpg
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookCELL2.html#Endoplasmic%20reticulum
Mitochondrion
• Found in both plant and animal cells.
• Performs the process of cellular respiration in
which glucose sugar is broken down to provide
energy for the cell.
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookCELL2.html#Mitochondria
Lysosome
• Lysosomes are digestive structures in the
cell.
• They contain enzymes which are
molecules that can break other molecules
down.
http://library.thinkquest.org/~C004535/lysosomes.html
http://micro.magnet.fsu.edu/cells/animals/images/lysosome.jpg
Vacuole
• Vacuoles serve different functions in plant and
animal cells.
• In plant cells they store water.
• In animal cells they may contain food, water or
waste.
Water
vacuole in a
plant cell
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/paramecvacs.gif
http://library.thinkquest.org/~C004535/vacuole.html
Chloroplast
Elodea cells with chloroplasts
• Only found in
plant cells
• Perform
photosynthesis a
process where
glucose sugar
and oxygen are
made from
carbon dioxide
and water.
http://ntri.tamuk.edu/cell/nucleus.html
http://botit.botany.wisc.edu/images/130/Plant_Cell/Elodea/Cyto_strand_nucleus_MC.html
Plant Cell
Cell Wall
• Only found in
plant cells.
• Made of a
carbohydrate
called
cellulose
• Provides
structure and
support for
plant cells
http://library.thinkquest.org/~C004535/cell_wall.html
http://botit.botany.wisc.edu/images/130/Plant_Cell/Elodea/Cyto_strand_nucleus_MC.html
Cell Theory
• All living things are made of cells.
• Cells are the basic units of form and
function in living things.
• All cells come from pre-existing cells.
BrainPop
Learn more at Cells Alive
Quia Cell Games
The next investigation to explore…
Identifying organelles from slides