Veterans, it adds science and the love of animals
Yes, I believe it's <span>A. must be testable. So it can either be proven or disproved.
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When the concentration o molecules inside a cell is different form the concentration of molecules outside a cell, we can either call it hypertonic or a hypotonic solution, and the difference between the two concentrations is called a concentration gradient.
Hypertonic - name given to a solution that has a bigger concentration than the concentration in a cell.
Hypotonic - name give nto a solution that has a smaller concentration than the concentration in a cell.
Hope it helped,
BioTeacher101
<span>The pattern of evolution this relationship presents is, convergent evolution. </span>
