National Geographic Chapter 6 (Prokaryotic Cells)

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14 Terms

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prokaryotic cell

cell that does not have a nucleus or other membrane-bound organelles.

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cytoplasm

A jellylike fluid inside the cell in which the organelles are suspended and reactions take place

<p>A jellylike fluid inside the cell in which the organelles are suspended and reactions take place</p>
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ribosomes

site of protein synthesis

<p>site of protein synthesis</p>
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plasmid

small, circular piece of DNA located in the cytoplasm of many bacteria

<p>small, circular piece of DNA located in the cytoplasm of many bacteria</p>
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cell membrane

A cell structure that controls which substances can enter or leave the cell. (mainly composed of lipids)

<p>A cell structure that controls which substances can enter or leave the cell. (mainly composed of lipids)</p>
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cell wall

A rigid structure that surrounds the cell membrane and provides support to the cell

<p>A rigid structure that surrounds the cell membrane and provides support to the cell</p>
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cilia

Hairlike projections that extend from the plasma membrane and are used for locomotion

<p>Hairlike projections that extend from the plasma membrane and are used for locomotion</p>
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flagella

whiplike tails found in one-celled organisms to aid in movement

<p>whiplike tails found in one-celled organisms to aid in movement</p>
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binary fission

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size

<p>A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size</p>
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antibiotics

Drugs that block the growth and reproduction of bacteria

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where is DNA located in a prokaryotic cell

cytoplasm

<p>cytoplasm</p>
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cell

Basic unit of life

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unicellular

Made of a single cell

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examples of prokaryotic cells

Bacteria and Archaea