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Science project v3

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Eswar Ramesh

on 14 November 2012

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Transcript of Science project v3

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli Analogies structure comparing an animal cell to planet earth List of animal cell organelles: 1. Nucleus- mantle
2. Nucleolus- inner core and outer core
3. Nuclear membrane- crust
4. Vacoule- decomposers
5. Mitochondrion- power plants
6. Golgi body- truck drivers
7. Ribosomes- factories
8.Smooth Endoplasmic Reticulum- ship port
9. Rough Endoplasmic Reticulum- Train
10. Cytoplasm- air
11. Cell membrane- the ozone layer
12. DNA - blue print
13. lysosomes- garbage disposal facilities
14.vesicles- ships These are the organelles listed above The numbers in the left of these organelles indicate the chronological order of the presentation...!! 1. Nucleus- earth's mantle Nucleus= The control center of the cell. It is a membrane enclosed organelle which contains genetic material(such as chromosones that contain the DNA(deoxyribonucleic acid). The mantle= The earth's mantle is 2,900 km thick and it's the second layer of the earth. It's in between the crust and the inner core and outer core. The crust contains magma(molten rock). Analogy Animal cell-nucleus The earth-the mantle The nucleus contains genetic material such as
the DNA. The earth's mantle contains magma which
is somewhat similar to the mantle containing the
genetic material(the DNA). 2. Nucleolus- inner core and outer core. Nucleolus= It’s a sub organelle, which is responsible for the production and assembly of ribosome components. It transcribes RNA. There can be more than 1 nucleolus. Inner core and outer core= The inner core is the 4th layer and the outer core is the 3rd layer. 3. Nuclear membrane- earth's crust 3. Nuclear membrane- earth's crust Nuclear membrane= a semi lipid-bilayer that encloses genetic material in the cell. It has nuclear pores which regulate the exchange of materials. Earth's crust= It is the first layer of the earth and it is 6 kms thick. It is composed of the 3 types of rock (sedimentary, igneous and metamorphic). 4. Vacoule- decompers vacoule= This is a membrane bound sac that plays roles in intracellular digestion and the release of cellular waste products. decomposers= Decomposers are organisms which digest or break down living material which has died. They also break down waste(poop) of other organisms. Without decomposers plants would not get supply of essential nutrients, which would cause waste to pile up. 5. mitochondrion- power plants mitochondria= a double membrane and provides the energy the cell needs to move. The inner membrane is highly convoluted forming folds called cristae where food(sugar) is combined with oxygen to produce ATP, which is the primary energy source for the cell. cristae- the sugar used to make ATP. 6. Golgi body- warehouse staff. Golgi body= The golgi body is responsible for packaging proteins for the cell. Anology analogy vacoule decomposers plays roles in intracellular digestion. digests or break down living material that are dead. release waste products. break down waste. 7. Ribosomes- power plant= a power plant generates electricity in order to distribute power for residential and commercial purposes. There are different types of power plants in different cities and countries(ex. hydro power plant, nuclear power plant, solar power and geothermal power plant). Warehouse staff= The warehouse staff package goods before being sent off to destinations. golgi body truck drivers Analogy packages proteins for the cell, before being sent off to destinations. Truck drivers package products before the product is exported. Analogy mitochondria power plants provide energy for organisms-ATP provide energy for residential and commercial purposes. Analogy Nuclear membrane Crust 7. Ribosomes- factories Ribosomes= The ribosomes are responsible for constructing the proteins of the cell. Factories= Factories or manufacturing plants is an industrial site, where workers manufacture good. Ribosomes Factories 10. Cytoplasm- air Cytoplasm=The cytoplasm is a gel-like substance that contains and holds the organelles. air= The air is all around and is crucial to sustain its living inhabitants. 11. cell membrane- ozone layer Cell membrane= a cell membrane is selectively permeable and is a barrier that allows certain substances to pass through, except large substances that might harm the cell Ozone layer= The ozone layer is a thin layer in our atmosphere that helps protect us from harmful UV(ultraviolet) radiation. Analogy Cytoplasm air a gel-like substance that supports the organelles just like the cytoplasm, the air has to support life. 13. lysosomes- garbage disposal facilities lysosomes=Lysosomes are the cell's waste disposal system and can digest some compounds. lysosomes garbage disposal facility= garbage disposal Facilities are provided to safely manage and dispose of waste that cannot be composted, reused, recycled or otherwise diverted from disposal. 14. vesicles- ships vesicles= A bubble-like membranous structure that stores and transports cellular products, and digests metabolic wastes within the cell ships= a ship can be used for transporting products. Analogy Nucleolus inner core and outer core The nucleolus can have more
than 1 nucleolus. The inner core and outer core represent that there
is more than 1 nucleolus. 9. Rough E.R (Rough Endoplasmic Reticulum)- train Rough E.R= The rough endoplasmic reticulum manufactures membranes and secretory proteins. The rough and smooth ER are usually interconnected and the proteins and membranes made by the rough ER move into the smooth ER to be transferred to other locations. 8. Smooth E.R(Endoplasmic Reticulum)- ship port(harbor). smooth E.R= The smooth ER has a wide range of functions including carbohydrate and lipid synthesis. It serves as a transitional area for vesicles that transport ER products to various destinations. Ship port= a transitional area for ships to transport objects from one place to another. Train= a train is a connected series of rail vehicles propelled along a track to transport cargo or passengers. Analogy Rough E.R Ship port It serves as a transitional area for all the vesicles to transport E.R products. Just like the Rough E.R, the ship port is a transitional area for ships(which represent the vesicles). The ships export products to various destinations. Analogy Vesicles Ships Transports cellular products. Transports products(imports/exports) Analogy lysosomes garbage disposal facilities They dispose the cells waste Safely dispose of waste 12. DNA- blue print DNA= DNA is the genetic material found in the nucleus. Blueprint= A contact print of a drawing, especially such a print of an architectural plan or technical drawing. Analogy DNA Blueprint The DNA decides the characteristics and
function of the cell. A blueprint decides the characteristics and funtion
of the construction. Analogy Cell membrane ozone layer A cell membrane blocks big molecules
that are harmful to the cell. An ozone layer protects us from harmful
UV rays. Responsible for manufacturing proteins. Responsible for manufacturing products. Encloses genetic material. . Encloses magma(molten rock). Analogy Rough ER Train The Rough E.R is interconnected to the smooth E.R, so the Rough E.R made the proteins, which is moved into the smooth E.R for the proteins to be transported to various destinations. some train stations are closer to the ship port. The trains contain products, which are then placed in the ship to be transported to various destinations. The end
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