Bell-Ringer
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Transcript of Bell-Ringer
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Bell-Ringer1) What is the function of the organelle pictured below:a) Transport materials and make mitochondriab) Transport materials and make proteinsc) Transport materials and make energyd) Transport materials and store water
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2) The smooth ER can not make proteins because…a) It does not have mitochondriab) It is not located in the nucleusc) It does not have ribosomesd) It does not have vesicles
3) The Golgi Apparatus is most like a…e) Power Plant – makes ATP for the cellf) UPS Truck – transports materialsg) City Hall – the brain of the cellh) Post Office – addresses proteins
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Still More
Organelles...
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Golgi Apparatus • The Golgi Apparatus is very similar to the ER in
both function and appearance.• It is responsible for transporting proteins or
lipids made by the ER to various parts of the cell.
Golgi Apparatus
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Golgi Apparatus • The Golgi acts like a Post Office.
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Golgi Apparatus • The Golgi acts like a Post Office.• It receives proteins, “addresses” them by
attaching different carbohydrates, and then delivers them to the correct part of the cell.
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Golgi Apparatus • The Golgi acts like a Post Office.• The Golgi is very important in ensuring that
proteins get delivered to the correct area of the cell.
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• Create the Golgi Apparatus• Place it inside your cell.
Play-Doh
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Vesicles • Vesicles are responsible for transporting
substances throughout the cell (like the Post Office’s Trucks.)
• They are spherical organelles, surrounded by their own membrane layer.
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Vesicles • Vesicles are responsible for transporting
substances throughout the cell (like the Post Office’s Trucks.)
• They are spherical organelles, surrounded by their own membrane layer.
What are cell membranes made out of?
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Vesicles • Vesicles are responsible for transporting
substances throughout the cell (like the Post Office’s Trucks.)
• They are spherical organelles, surrounded by their own membrane layer.
Phospholipids
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Vesicles • Two important vesicles are:– Lysosomes– Peroxisomes
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Lysosomes • Lysosomes are vesicles that form from the
Gogli Apparatus.• Lysosomes are the cell’s “clean up crew.”
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Lysosomes • Lysosomes are vesicles that form from the
Gogli Apparatus.• Lysosomes are the cell’s “clean up crew.”• These vesicles contain digestive enzymes that
break down biological molecules and organelles.
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Lysosomes • Lysosomes in the liver break down
carbohydrates in order to release sugar into the blood stream
• White blood cells use lysosomes to break down invading bacteria cells.
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Lysosomes • Lysosomes are also responsible for breaking
down cells when it is time for the cell to die. • This function is very important in maintaining
the health of the organism.
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Peroxisomes• Peroxisomes are also vesicles that contain
digestive enzymes.• These vesicles, however, are not produced by
the Golgi Apparatus.
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Peroxisomes• Peroxisomes are responsible for neutralizing
compounds which would normally harm the body.• Peroxisomes are help detoxify alcohol and other
drugs within the body.
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• Create some vesicles:– A Lysosome– A Peroxisome(make them different colors)
• Place them inside your cell.
Play-Doh
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Cytoskeleton• The cytoskeleton gives
shape to the cell.• It is composed of a
network of crisscrossing tubes and filaments in the cytoplasm.
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Cytoskeleton• The cytoskeleton is composed of three specific
elements:– Microtubules– Microfilaments– Intermediate filaments
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• Create the cytoskeleton(crisscrossing filaments in the cytoplasm)
• Place them inside your cell.
Play-Doh
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Cilia and Flagella• Many cells have either cilia or flagella to help
them move.
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Cilia and Flagella• Cilia – hair-like
structures on the surface of the cell that assist in movement.
• Cilia are short and present in great numbers.
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Cilia and Flagella• Flagella – tail-like structure on the surface of a
cell that assists in movement.• Flagella are longer than cilia and are far less
numerous when found on cells.
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• Create both cilia and flagella for your cell• Place them on the outside of your cell
Play-Doh
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1) Our bodies treat alcohol as a poison. Understanding this fact, we would expect someone who frequently abuses alcohol to have a higher number of __________ than someone who does not drink alcohol.
a) Lysosomesb) Mitochondriac) Peroxisomesd) Ribosomes
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2) Vesicles are most like what other organelle…a) The cell membrane – both are lipid bilayers b) The mitochondria – both make ATPc) The ribosomes – both make proteinsd) Cilia – both are involved in movement
3) Looking through a microscope at some cells, you notice that one is very fluid. It is unable to keep its shape. You determine that it has a problem with...a) its Golgi Apparatusb) its Ribosomesc) its Flagellumd) its Cytoskeleton
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4) The sperm cells to the right are powered by...a) Flagellumb) Ciliac) DNAd) Microtubule