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JulijaS [17]
4 years ago
13

Chemical messages originate from a. DNA b. E.R.

Biology
1 answer:
erma4kov [3.2K]4 years ago
4 0
Chemical messages originate from DNA
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This is the the theory that describes protein building in this order: DNA to RNA to protein.  Protein is never back-translated to RNA or DNA; DNA is never directly translated to protein. Chromosome. This is the structure in the cell nucleus that houses a cell's genetic information.

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B. Absolute dating uses the half-life of an element

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