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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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Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?
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This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient
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How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.
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Hey, I need help thanksASAP :)
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