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BioBook 4

7C Week 4

TermDefinition
Bacteria Single-celled organisms that lack a nucleus; prokaryotes
Cytoplasm A region of a cell located either in the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes); contains a gel-like material and cell structures.
ribosome A tiny structure located in the cytoplasm of a cell where proteins are produced.
Flagellum A long, whiplike structure that helps a cell to move.
Binary fission A form of asexual reproduction in which one cell divides to form two identical cells.
Asexual reproduction A reproductive process that involves only one parent and produces offspring that are identical to the parent.
Sexual reproduction A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents.
Conjugation The process in which a unicellular organism transfers some of its genetic material to another unicellular organism
Decomposer An organism that breaks down chemicals from dead organisms and returns important materials to the soil and water.
Prokaryote An organism whose cells lack a nucleus and some other cell structures.
Created by: aprowten
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