What are the limitations of electric impulse mechanism?
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Biology, 21.06.2019 19:00
What are the four basic classes of organic molecules how do they differ structurally and functionally
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Biology, 21.06.2019 20:10
4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.
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Biology, 22.06.2019 10:00
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
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Mathematics, 21.04.2020 18:53
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Spanish, 21.04.2020 18:53
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Mathematics, 21.04.2020 18:53
Biology, 21.04.2020 18:53