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| The cytoplasm also contains a gene encoding each enzyme (G1-G5). A portion of R is used to synthesize more genes and enzymes. | ||
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| E4 is analogous to DNA polymerase and catalyzes the synthesis of another copy of each gene from R's, | using each gene as a template. | E5 catalyzes the synthesis of additional enzyme molecules, again from R's and again using each gene as a template. |