Somebody me. this question is biology. chapter 3
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Which organelle releases chemicals that break down large food particles into smaller ones?
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How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Why do mountaineers become breathless as they reach high altitudes
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