The Na+/K+-ATPase pump is a ligand-gated ion transporter.

The reaction phosphoenolpyruvate + ADP \( \rightarrow \) pyruvate + ATP (\( \Delta \)G = +7.5 kcal/mole), ___

Na+ ion concentrations are higher outside the cell than inside the cell because of the sodium/potassium pump. What type of transport system is required to move Na+ ions in and out of the cell?

What would you predict about a reaction that has a positive ΔG?

Following a meal, glucose (polar) must move from the gut lumen where there is a high glucose concentration into the intestinal cell where there is a relatively low level of glucose. This movement is called

Metabolism refers to only those reactions that gain energy.

Altering the three-dimensional structure of an enzyme would most likely

In ALL endergonic reactions, ___.

The process that involves the non-selective uptake of a general cargo molecule into the cell through without receptor binding is termed…

The process of breaking down glycogen into glucose monomers is an example of: ____.