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Bell-Ringer

Bell-Ringer. 1) What is the function of the organelle pictured below: Transport materials and make mitochondria Transport materials and make proteins Transport materials and make energy Transport materials and store water. 2) The smooth ER can not make proteins because…

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Bell-Ringer

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  1. Bell-Ringer 1) What is the function of the organelle pictured below: • Transport materials and make mitochondria • Transport materials and make proteins • Transport materials and make energy • Transport materials and store water

  2. 2) The smooth ER can not make proteins because… • It does not have mitochondria • It is not located in the nucleus • It does not have ribosomes • It does not have vesicles 3) The Golgi Apparatus is most like a… • Power Plant – makes ATP for the cell • UPS Truck – transports materials • City Hall – the brain of the cell • Post Office – addresses proteins

  3. Still MoreOrganelles...

  4. 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

  5. Golgi Apparatus • The Golgi acts like a Post Office.

  6. 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.

  7. 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.

  8. Play-Doh • Create the Golgi Apparatus • Place it inside your cell.

  9. 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.

  10. 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?

  11. 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

  12. Vesicles • Two important vesicles are: • Lysosomes • Peroxisomes

  13. Lysosomes • Lysosomes are vesicles that form from the Gogli Apparatus. • Lysosomes are the cell’s “clean up crew.”

  14. 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.

  15. 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.

  16. 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.

  17. Peroxisomes • Peroxisomes are also vesicles that contain digestive enzymes. • These vesicles, however, are not produced by the Golgi Apparatus.

  18. Peroxisomes • Peroxisomes are responsible for neutralizing compounds which would normally harm the body. • Peroxisomes are help detoxify alcohol and other drugs within the body.

  19. Play-Doh • Create some vesicles: • A Lysosome • A Peroxisome (make them different colors) • Place them inside your cell.

  20. Cytoskeleton • The cytoskeleton gives shape to the cell. • It is composed of a network of crisscrossing tubes and filaments in the cytoplasm.

  21. Cytoskeleton • The cytoskeleton is composed of three specific elements: • Microtubules • Microfilaments • Intermediate filaments

  22. Play-Doh • Create the cytoskeleton (crisscrossing filaments in the cytoplasm) • Place them inside your cell.

  23. Cilia and Flagella • Many cells have either cilia or flagella to help them move.

  24. 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.

  25. 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.

  26. Play-Doh • Create both cilia and flagella for your cell • Place them on the outside of your cell

  27. 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) Lysosomes b) Mitochondria c) Peroxisomes d) Ribosomes

  28. Vesicles are most like what other organelle…a) The cell membrane – both are lipid bilayersb) 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

  29. 4) The sperm cells to the right are powered by...a) Flagellumb) Ciliac) DNA d) Microtubule

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