Biology, 28.05.2021 04:00 makalaily9342
Water flows through a selectively permeable membrane in a process called , but water molecules cross the membrane more easily through channels of transmembrane proteins called .
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If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?
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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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Water flows through a selectively permeable membrane in a process called , but water molecules cross...
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