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28 Cards in this Set

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