• Science
    Looking at Cell Functions All cells have a purpose. If they don't do anything productive, they are not needed anymore. In the big picture, a cell's purpose is much more important than acting as small organizational pieces. They had their purpose long before they started working together in groups and...
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  • Eukaryotic Cell Essay
    Eukaryotic Cell Assignment GAS11 Nov. 12th, 2013 Eukaryotic Cell Organelles Discription The Nucleus: The cell nucleus acts like the brain of the cell. It helps control eating, movement, and reproduction. The nucleus is not always in the center of the cell. The things that make a eukaryotic cell are a...
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  • essays
    A cell is capable of independent existence and can carry out all the functions which are necessary for a living being. A cell carries out nutrition, respiration, excretion, transportation and reproduction; the way an individual organism does. Unicellular organisms are capable of independent existence...
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  • science
    2.4 Cell Analogy Many teachers use the example: “A Cell is like a factory….the nucleus is the boss, the golgi packs and ships materials, the mitochondria provides the power/generator, etc.” Your task is to come up with a NEW analogy. A cell is like a……? Be sure to include these cell organelles...
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  • Uyyiuol
    animal cell and the functions of the main cell components. A typical animal cell is seen as a tiny, three dimensional sac which is in fact made up of many components, each as important as the other. The microstructure of an animal cell was in fact uncovered mainly through the use of both cell fractionation...
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  • Tour of the Cell Biology Paper
    Learning about Cells. First thing I want to show you is two beautiful pictures of a Cell. Imagine all of this is in something so small we cannot see it with our naked eyes. About 10,000 average-sized human cells can fit on the head of a pin. There are a few exceptions, but the average cell is very tiny...
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  • Ap Biology Study Reading Guide Chapter 6
    Chapter 6: A Tour of the Cell Concept 6.1 Biologists use microscopes and the tools of biochemistry to study cells 1. The study of cells has been limited by their small size, and so they were not seen and described until 1665, when Robert Hooke first looked at dead cells from an oak tree. His contemporary...
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  • Worksheet 2
    a) Define a cell.  A cell is the basic unit of life b) What is a unicellular organism? An organism that consists of only one cell c) Can a cell be multicellular? No because a cell is the smallest unit of life, cells can however join together to start forming something else 2. a) What is a difference...
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  • Cells and Their Parts
    Cells are some of the smallest organisms around. All living things consist of cells, and yet they are invisible to the naked eye. Cells are the basic structural and functional units of life. Cells are made up of many different parts which allow them to function properly. ...
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  • Cell
    C hapter 5 THE FUNDAMENTAL UNIT OF CELL While examining a thin slice of cork, Robert Hooke saw that the cork resembled the structure of a honeycomb consisting of many little compartments. Cork is a substance which comes from the bark...
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  • Cell City
    The cell functions much in the way a city does. Although it may be an old analogy, it may be one of the best. Following is a list of cell parts and how their function is similar to functions of a city or town. The cell membrane is the city limits of our city. Outside of the city limits, the local...
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  • Cell Theory
    Cell Theory: All known living things are made up of cells. All cells come from preexisting cells by division. The cell is structural and functional unit of all living things. Cell Structural Overview: The major parts of a cell are the nucleus, cytoplasm, and cell membrane. Nucleus: * The nucleus...
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  • Cells and Organelles
    [pic] Cells and Their Organelles The cell is the basic unit of life. The following is a glossary of animal cell terms. All cells are surrounded by a cell membrane. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others. It is composed of a double...
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  • Notes
    Guide VOCAB 1. Cell Theory-The theory that all living things are composed of cells & that all cells come from other cells. 2. Plasma Membrane- The membrane at the boundary of every cell that acts as a selective barrier to the passage of ions and molecules into and out of the cell; consists of phospholipid...
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  • a mitochondrion
    A mitochondrion (Terminologia histologica: Mitochondrion) is a cell organelle of eucaryotes with ovoid shape that is the major source for intracellular energy. Mitochondria are present in all but mature red blood cells. They can migrate through the cytoplasm and change their shape. These organelles...
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  • Biology Cell Parts
    control center of the cell. The Nucleus, a membrane-bound structure of a cell, plays two crucial roles in controlling the cell. The nucleus carries the cell's genetic information that determines if the organism will develop, for instance, into a tree or a human; and it directs most cell activities including...
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  • Cell vs City
    Nucleus- The nucleus is the control center of the cell. This is where DNA is contained. This is like the town hall or the mayor’s office because it is the control center of a town. The nucleus uses DNA like a city uses blueprints to direct the production of protein. Nucleolus- The nucleolus is where...
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  • Quiz1 2012
    Score:______________ Yr. & Sec. __________________ Date: ______________ Quiz 1 A. Identification: Read each statement carefully. Identify what branch of biology is being described. Write your answers on the blank provided before each number, then find and encircle them horizontally, vertically...
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  • Everything That Glitters Is Not Gold
    answers the question. ____ 1. Which of the following organisms do not have cell walls? a. | plants | c. | bacteria | b. | fungi | d. | animals | ____ 2. Folded membranes are an advantage to a cell because _____. a. | cell processes can be more efficient | b. | the membranes provide a large...
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  • Cell Theory
    Cell Structure - Cell Organelles 1. What is cell theory? Cell theory asserts that the cell is the constituent unit of living beings. Before the discovery of the cell, it was not recognized that living beings were made of building blocks like cells. The cell theory is one of the basic theories of...
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