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Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
Answer:
Charles Darwin
Explanation:
He discovered evolution and changes in traits through adaptation. He also coined "Survival of the Fittest"
Answer:
Carrier proteins undergo a shape change as they move substances across the membrane, while channel proteins do not. Channel proteins move substances across the membrane at a much faster rate than carrier proteins. Carrier proteins can allow much larger substances to cross the membrane than channel proteins do.
Its the Last one
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