True or False: To lift a 10 lbs weight your muscle cells would use ATP.

What factors contribute to the effect an environmental toxin has on the human body?

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Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.