intro to cell vocabulary
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Intro to Cell Vocabulary. Fancy Names For Simple Things. Cells. Cells are the basic unit of all living things…if it is alive it has cells. Two “Classes” of Cells. - PowerPoint PPT PresentationTRANSCRIPT
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Intro to Cell Vocabulary
Fancy NamesFor
Simple Things
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CellsCells are the basic unit of all living
things…if it is alive it has cells
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Two “Classes” of CellsThere are 2 classes of cells. There
are only two differences between Plant & Animal cells…try to spot them by the end of the show
Plant cells Animal Cells
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Cell DifferentiationThere are only 2 classes of cells
(plant/animal), but there are many kinds of cells in each class. Each kind of cell has a DIFFERENT job to do…it specializes.I am a
heart cell! I am a skin cell
I’m a Prison Cell!
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When you hear the new vocabulary…just think
of a
Turtle
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Cell MembraneThe cell membrane holds the cell
together and allows nutrients in the cell
It’s just like a turtle’s skinThe cell membrane is on the edge
of a cell
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CytoplasmCytoplasm is the watery gel (Jello!)
inside a cell….it’s goop! It holds the ORGANelles
Cytoplasm is like the turtles blood and other liquids
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MitochondriaMitochondria is an ORGANelle that
releases energy from foodMitochondria is like a turtle’s
stomach
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NucleusThe nucleus controls the cellThe nucleus is like the turtle’s brain
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ChromosomesChromosomes are inside the nucleus
and are made of genes (DNA)Genes decide the cells’ traits and
activities (heart cell, eye cell (color))
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Nuclear MembraneThe nuclear membrane allows
substances to pass in and out of the nucleus
It surrounds the nucleus (the brain) like the turtle’s skull…protects it
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VacuolesVacuoles are spaces in the cytoplasm
(gel) where food and chemicals are stored
It’s like “fat” on a turtleI am NOT
fat…I’m just a little
plump!!
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Cell WallCell Walls are only in plant cellsThey make the cell strong and rigidThey are like a turtle’s shell (but only
plants have them…that’s why grass stands straight up!)
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RibosomeCells need to make proteins. Ribosomes are the protein builders. They are like construction guys who
connect one amino acid at a time and build long chains.
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Endoplasmic ReticulumFunctions as a packaging system.Packages proteins and releases them
to be transported.
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Golgi ApparatusThe Golgi Apparatus is responsible
for taking the proteins which were created by the ribosomes and making them bigger and better.
Think of an assembly line where cars are made. The first worker creates a car frame. The next worker adds an engine, or seats, or other parts.
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Centriole They are there to help the cell when
it comes time to divide.Forms spindle fibers in animal cells
during cell division
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Chloroplasts Chloroplasts are only in plant cellsThey contain chlorophyll, which helps
make energy/food from sunlightChlorophyll is green in color…so any
plant that is green has chloroplasts
I’m green…do I have
chloroplasts?
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What’s the Difference?So what are two things that Plant
cells have that animal cells don’t?
?Chloroplasts & Cell Walls
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What would happen if animals had Chloroplasts?
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Now, let’s review… Cell Membrane Cell Wall
ChloroplastsChromosomes Nucleus
MitochondriaCytoplasm Vacuoles
Centriole Ribosome GogliEndoplasmic Reticulum
Plant/Animal Cell Differentiation Cells
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Congratulations You now know all the vocabulary for
cells