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28 Cards in this Set
- Front
- Back
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Name the three things that cells have?
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they all have a cell membrane called the cytoplasm they also all have a nucleus or nuclear material
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Name the Two types of cells
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prokaryotic
Eukaryotic |
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What are prokayotic cells and give an example
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cells that have no membrance around their nuclear material;bacteria
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What are eukaryotic cells
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has a nucleus with a membrane around it; animal and plant cells
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cell membrane
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is a structure that forms the outer boundary of the cell and allows only certain materials to move into and out of the cell
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Cytoplasm
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is the gel-like material inside the cell membrane
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nucleus
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a structure that direct all the activites of the cell
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endoplasmic reticulum
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is a folded membrane that moves materials around the cell
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ribsomes
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small structures in the cytoplasm called
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golgi bodies
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are the packaging and secreting organelles of the cell
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Mitochondria
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are organelles supply energy
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lysomes
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contain chemicals that digest wastes and worn-out cell parts
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cell wall
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is a rigid struture outside the cell membrane and supports and protects the cell
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chloroplasts
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are organelles in plant cells in which light energy is changed into chemical energy in the form of a sugar called glucose
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proton
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postive charge
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neutron
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nuetral
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eletron
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negative
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when somethine is made up of only one kind of atom what is it called
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element
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What number of elements occur in the earth naturally
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more than 90
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When two or more elements are joined together what is formed?
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compound
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molecule
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is the smalles part of a compund with all the properties of the that compound
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Most compounds containg carbon are
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organic compounds
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Most _________________ compound are from elements other than carbon
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inorganic
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carboyhydrates
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are orgainic compounds made up of carbon, hydorgen, and oxygen
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Name the four groups of organic compounds
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carbohydates;lipids; protiens; nucleic acids
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Are used for building the cells parts
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proteins
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enzymes
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speed up chemical reactions
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are large orgainic molecules that store important information in cells
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nucleic acids
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