Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

Mouse cells were cultured in a dish that contained a growth medium. Radioactively labelled amino acids were added to the growth medium. The table displays how long it took for the radioactively labelled amino acids to appear in three different organelles, R, S and T. Which row correctly names the organelles?

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