Examlex
A frequency distribution organized into a table or graph that summarizes percentage values associated with particular values of a variable is called a(n)____________________.
Facilitated Diffusion
A process of passive transport, facilitated by transport proteins, allowing molecules to move across cell membranes along a concentration gradient without energy expenditure.
Active Transport
The movement of substances across cell membranes against their concentration gradient, requiring energy.
Cotransport Systems
Mechanisms in cell membranes that transport two different molecules across the membrane in the same direction.
Active Transport
The movement of molecules across a cell membrane from a region of lower concentration to one of higher concentration, requiring energy.
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