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Midterm Review
Vocabulary O
7
Biology
12th Grade
01/30/2008

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Term
one gene-one polypeptide hypothesis
Definition
the premise that a gene is a segment of DNA that codes for one polypeptide.
Term
oogenesis
Definition

the process in the ovary that results in the production of female gametes.

Term
operon
Definition
a unit of genetic function common in bacteria and phages, consisting of coordinately regulated clusters of genes with related functions.
Term
osmosis
Definition
the diffusion of water across a selectively permeable membrane.
Term
osmotic pressure
Definition
a measure of the tendency of a solution to take up water when separated from pure water by a selectively permeable membrane.
Term
oxidation
Definition
the loss of electrons from a substances involved in a redox reaction
Term
oxidative phosphorylation
Definition
the production of ATp using energy derived from the redox reactions of an electron transport chain.
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