1. Twyla Wall Twyla Wall Canada says:

    I've been out of school for almost 3 decades now, but I'm pretty sure that ribosomes are found in the cytoplasm of cells, not the nucleus.
    From the first paragraph of the article: "mRNA stands for messenger Ribonucleic Acid (RNA) which is used by ribosomes, present in the nucleus of the cell, to make proteins and release into the bloodstream."

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