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Words to know Cp 4
words I need to know
13
Science
9th Grade
12/01/2011

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Term
Chromosome
Definition
a thread like structure in the necleus that carries genes
Term
DNA
Definition
The main component of chromosone and is the material that transfers genetic characteristics in all life forms
Term
Gene
Definition
the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA
Term
Nucleolus
Definition
a conspicuous, rounded body within the nucleus of a cell.
Term
Nucleus
Definition
A central part about which other parts are grouped or gathered;
Term
Protein
Definition
 any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals
Term
Gene mutation
Definition

 A change in the specific order of A,G,T,C bases

 

Term
Gene therapy
Definition
Techniques developed to alter mutated genes so they fuction normally
Term
Mutagen
Definition
substance of factors that can cause mutations in DNA 
Term
Neg. Mutation
Definition
A mutation that harms an organism
Term
Neutral mutation
Definition
A mutation that does not affect the organism
Term
Pos. mutation
Definition
A mutation that benefits the organism
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