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Cell Organelles A Taste of What is to Follow... A Taste of What is to Follow... Ponder This!: How is a cell like a school?

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Presentation on theme: "Cell Organelles A Taste of What is to Follow... A Taste of What is to Follow... Ponder This!: How is a cell like a school?"— Presentation transcript:

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2 Cell Organelles

3 A Taste of What is to Follow... A Taste of What is to Follow... Ponder This!: How is a cell like a school?

4 Our Objectives Upon completing this lesson you will: Upon completing this lesson you will: Know the names of the basic parts, or organelles, of a cell Know the names of the basic parts, or organelles, of a cell Know the functions of all the basic organelles Know the functions of all the basic organelles Draw or write out your own model or metaphor to demonstrate the parts of a cell Draw or write out your own model or metaphor to demonstrate the parts of a cell

5 Think Back to Last Class A cell is the basic structural and functional unit of all living things A cell is the basic structural and functional unit of all living things Eukaryotic & Prokaryotic Eukaryotic & Prokaryotic Animal & Plant Animal & Plant How cells fit into the rest of the body’s organization Cell Tissue Organ Organ SystemOrganism

6 Cell Membrane Provides support and protection Provides support and protection Functions as cell Functions as cell Think of our school’s doors and intercom system Think of our school’s doors and intercom system and

7 Cytoplasm Jelly-like material that fills the cell Jelly-like material that fills the cell Contains water and food for cell Contains water and food for cell Holds organelles in place Holds organelles in place Think of the air that fills up this entire school Think of the air that fills up this entire school

8 Ribosomes Make proteins. Some of these proteins stay in the cell, others are exported to the outside of the cell.

9 Nucleus Contains DNA, which makes you who you are Contains DNA, which makes you who you are Directs the activity of the cell – for example, when it g r o w s and d i v i d e s Directs the activity of the cell – for example, when it g r o w s and d i v i d e s Think of the principal’s office as the nucleus and the student files in the office as DNA Think of the principal’s office as the nucleus and the student files in the office as DNA

10 Endoplasmic Reticulum (E.R.) The “ highway ” of the cell that moves materials around to other parts The “ highway ” of the cell that moves materials around to other parts Some parts of the E.R. contain ribosomes, which create proteins Some parts of the E.R. contain ribosomes, which create proteins Think of the school hallways where students and teachers transport ideas to other parts of the school Think of the school hallways where students and teachers transport ideas to other parts of the school If you drive too fast, you’ll end up in the E.R.!

11 Golgi Apparatus Packages and stores molecules produced in the cell. Packages and stores molecules produced in the cell. Think of the lunch faculty who bring cafeteria food into the school, then pack and store it in the kitchen for later use Think of the lunch faculty who bring cafeteria food into the school, then pack and store it in the kitchen for later use

12 Mitochondria Break down food and release energy to cell – the “ Powerhouse ” of the cell Break down food and release energy to cell – the “ Powerhouse ” of the cell Think of lunch time at school – food is taken out of packages, cooked, and then provided to students and teachers to power them for the rest of the day Think of lunch time at school – food is taken out of packages, cooked, and then provided to students and teachers to power them for the rest of the day

13 Lysosomes Clean up the cell waste products ( Lysosomes clean just like Lysol! ) Clean up the cell waste products ( Lysosomes clean just like Lysol! ) Think of the janitors who clean up any waste in the school at the end of the day Think of the janitors who clean up any waste in the school at the end of the day

14 Chloroplast Uses light energy to make food molecules( glucose)from Carbon dioxide and water. Contains green pigment chlorophyll. In plants only

15 Vesicles Have many functions. Some transport materials others transport materials in the cell. Examples are Lysosomes, Central vacuole, and other vacuoles. Central Vacuole – stores water,nutrients, and waste in plant cells.

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17 Any questions?

18 Question Two: What is an organelle? A) The part of the cell that stores, packages, and secretes energyThe part of the cell that stores, packages, and secretes energy C) A small organ inside the body, like one of your kidneysA small organ inside the body, like one of your kidneys B) A part of a cell that performs a specific functionA part of a cell that performs a specific function

19 Question Three: Which organelle is the highway of the cell? A) MitochondriaMitochondria B) NucleusNucleus C) Endoplasmic Reticulum (E.R.)Endoplasmic Reticulum (E.R.)

20 Question Four: What is the cell membrane’s function? A) Allows materials to enter/exit cellAllows materials to enter/exit cell B) Contains the DNAContains the DNA C) Cleans up cell wasteCleans up cell waste

21 Question Five: Which organelle is the “powerhouse”? A) LysosomesLysosomes B) MitochondriaMitochondria C) Golgi ApparatusGolgi Apparatus

22 Question Six: The nucleus contains _____, which makes you who you are genetically A) RibosomesRibosomes B) LysosomesLysosomes C) DNADNA

23 Question Seven: What is the function of the Golgi Apparatus? A) Packages, stores, and secretes energyPackages, stores, and secretes energy B) Controls basic cell processesControls basic cell processes C) Controls what enters/exits cellControls what enters/exits cell

24 Question Eight: What do lysosomes do? A) Deliver materials to other parts of the cellDeliver materials to other parts of the cell B) Clean up cell wasteClean up cell waste C) Store food and waterStore food and water

25 Question Nine: Think hard – which organelle has not been an answer so far? (Hint: it holds the other organelles in place!) A) Golgi ApparatusGolgi Apparatus B) CytoplasmCytoplasm C) MitochondriaMitochondria

26 Question Ten: The drawing of the cell organelles used in this lesson is an example of a : A) ModelModel B) Reflective PictureReflective Picture C) TimelineTimeline

27 Image Credits oistCake.jpg oistCake.jpg oistCake.jpg oistCake.jpg


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