How could you prove or disprove that a specific solute, such as sucrose or starch, was able to diffuse through a semipermeable membrane?

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: