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If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?
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The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
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Biology, 22.06.2019 10:30
How do the evolutionary chart and the video support the claim that all living things are made up of cells?
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How is gravity determined...
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