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How does the contractile vacuole in a paramecium maintain homeostasis?
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The rate at which molecules water and oxygen can enter a cell is determined by the-
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During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent
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Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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Biology, 22.06.2019 16:00
Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.
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How does the contractile vacuole in a paramecium maintain homeostasis?...
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