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Definition
| one strain of bacteria changes |
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| a virus that infects bacteria |
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| DNA is a long molecule made up of units |
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| tightly packed togthere DNA and protein |
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| DNA that is tightly coiled around proteins |
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| before a cell divides, it duplicates its DNA in a copying process |
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the principle enzymes involved in DNA rep.
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Definition
| coded DNA instructions that control the production of protein |
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| RNA that carries copies of gene's |
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Definition
| ribosomes made of several dozen proteins |
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| transfer each ammino acid |
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Definition
| similar to DNA polymerase |
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Definition
| has a specific base sequences |
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Definition
| DNA of eukaryotic genes contain sequences of nucleotides |
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Definition
| DNA sequences that code for proteins |
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| consists of three consecutive nucleotides |
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Definition
| the decoding of a mRNA message into a polypeptide chain |
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| complementary to one mRNA codon |
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| gene mutations involving changes in one or few nucleotides |
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| they shift the "reading frame" of the genetic messages |
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| the condition in which an organism has extra sets of chromosomes |
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| a group of genes that operate together |
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| means they become specialized in structure and function |
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| control the differentiation of cells and tissues in the embryo |
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