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Biology, 19.07.2019 11:00, gabbystar517
Which is a form of active transport? proteins push molecules through the cell membrane. proteins create openings on another side of the cell membrane. proteins open up channels in the cell membrane. proteins enter and exit the cell freely.
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Biology, 22.06.2019 05:50, lexi1268
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
Answers: 2
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Which is a form of active transport? proteins push molecules through the cell membrane. proteins cr...
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