cell structure and function
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| One of the first people to observe cells | Robert Hooke
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| Discovered one celled organism | Leeuwenhoek
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| Concluded that all plants are made up of cells | Schleiden
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| Discovered all living things are made of cells | Schwann
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| Proposed that all cells come from cells | Virchow
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| Ability to make things look larger than they are | Magnification
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| Ability to clearly distinguish | Resolution
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| THe basic unit of structure and function in living things | Cell
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| Any instrument that makes small objects look larger | Microscope
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| A widely accepted explanation of the relationship between cells and living things | Cell theory
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| Are tiny cell structures that carry out specific functions within the cell | Organelles
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| Rigid layer of nonliving material that surrounds the cells of plants and other organisms | Cell wall
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| Forms the outside boundary that separates the cell from its environment | Cell membrane
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| A large oval structure that directs all of the cell's activities | Nucleus
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| The region between the cell membrane and the nucleus is called | Cytoplasm
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| Produce most of the energy the cell needs to carry out its functions(power house) | Mitochondria
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| A maze passageways that carries proteins and other materials from one part of the cell to another | Endoplasmic reticulum
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| Function as factories to produce proteins | Ribosomes
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| Receive proteins and other newly formed materials and distribute them to other parts of the cell | Golgi body
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| Capture energy from sunlight and use it to produce food for the cell | Chloroplasts
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| Storage area of a cell | Vacuole
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| Small,round structures in cells that break down large food particles into smaller ones | Lysosomes
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| Any substance that cannot be broken down into simpler substances | Element
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| The chemical combination of two or more elements | Compound
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| An energy-rich organic compound such as sugar | Carbohydrates
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| Large organic molecules made of carbon,hydrogen, oxygen,nitrogen,and,in some cases sulfur | Proteins
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| Small molecules that make up proteins | Amino acids
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| Type of protein that speeds up chemical reactions in living things | Enzyme
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| An energy-rich organic compound such as sugar | Lipid
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| Very large organic molecules made of of carbon, hydrogen,oxygen,nitrogen and phosphorus | Nucleic acids
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| Type of nucleic acid that passes from parent offspring and directs all the cells functions | DNA
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| Type of nucleic acid that plays an important role in the productions of proteins | RNA
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| Means letting some but not all substances pass through | Selectively permeable
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| Is the process by which molecules tend to move from an area of higher concentration to a lower concentration | Diffusion
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| The process by which water moves across a selectively permeable membrane | Osmosis
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| Diffusion and osmosis are types of | Passive transport
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| Requires the cell's own energy | Active transport
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