LCPS Sci 7--Cells: Cell Organization and Structure

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16 Terms

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prokaryote

cells with no nucleus; DNA in the cytoplasm

<p>cells with no nucleus; DNA in the cytoplasm</p>
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eukaryote

cells with DNA in the nucleus

<p>cells with DNA in the nucleus</p>
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Bacteria

single-celled organisms that are prokaryotes (have no nucleus)

<p>single-celled organisms that are prokaryotes (have no nucleus)</p>
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unicellular

one cell (single-celled)

<p>one cell (single-celled)</p>
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multicellular

more than one cell

<p>more than one cell</p>
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selectively permeable

a property that allows cell membranes to control movement of materials in and out of the cell

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organelles

parts of a cell (structure) that do one function (job)

<p>parts of a cell (structure) that do one function (job)</p>
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cell membrane

layer that keeps the cell together; selectively permeable

<p>layer that keeps the cell together; selectively permeable</p>
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cell wall

rigid, boxy, outer layer that provides protection and support

<p>rigid, boxy, outer layer that provides protection and support</p>
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chloroplast

Uses light energy to make food for the cell (photosynthesis)

<p>Uses light energy to make food for the cell (photosynthesis)</p>
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cytoplasm

Jelly-like substance (thing) that holds other organelles in place

<p>Jelly-like substance (thing) that holds other organelles in place</p>
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endoplasmic reticulum (ER)

Transports materials in the cell

<p>Transports materials in the cell</p>
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mitochondria

Makes energy by breaking down food

<p>Makes energy by breaking down food</p>
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nucleus

Controls all the functions (jobs) within a cell; has DNA

<p>Controls all the functions (jobs) within a cell; has DNA</p>
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ribosome

Use genetic material to make proteins

<p>Use genetic material to make proteins</p>
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vacuole

Stores water, nutrients, and waste

<p>Stores water, nutrients, and waste</p>