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Question 5

From Biology SL Paper 1 (November 2024, TZ2)

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  1. Leaf cells in spinach (Spinacia oleracea) have ribosomes in their cytoplasm with a relative molecular mass of 3847000 and smaller ribosomes inside their chloroplasts with a relative molecular mass of 2448000. What is an explanation for spinach leaf cells having ribosomes of two different sizes?

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