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Science
Biology
Life Science
Science Semester Test 7th Grade Dec. 2018
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unicellular organisms
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living organisms that are composed of just one cell
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Terms in this set (79)
unicellular organisms
living organisms that are composed of just one cell
multicellular organisms
living organisms that are made of more than one cell
organisms
living things made up of one or more cells that can perform all the processes needed for life
cell
the smallest unit that can be said to be alive
compound microscope
contains two or more lenses
Robert Hooke
English scientist who built a compound microscope
cork
the item being examined when cells were discovered
electron microscope
can make images of individual atoms
cell membrane
surrounds and protects the cell
organelles
small membrane-bound structures in the cytoplasm that are specialized to perform a specific function
prokaryotic cells
most do not have any membrane bound organelles, unicellular organisms
eukaryotic cells
genetic material is enclosed in a membrane bound organelle
nucleus
this is the organelle that contains the genetic material
mitochondria
organelle that converts the energy stored in food to a form of energy that cells can use
chloroplasts
the organelle where photosynthesis occurs