Which of the following is not a polymer of numerous monomer units?

Consider the five amino acids shown below and match the correct amino acid with the functions listed.

You are conducting experiments with plant cells that require the cell membranes to be pulled away from the cell walls by plasmolysis. To conduct your experiment, you place the cells in a(n)

The equation AB + H2O → A + B would be catalyzed by which of the following classes of enzymes?

The rate of a reaction catalyzed by an enzyme usually ____________ with temperature; however, at temperatures above the optimum range ______________.

The ΔG equation for the import of an ion into the cell can be expressed as:  ΔGinward = +RT ln inside/outside + zFVm Consider the potential transport of Ca2+ ions for a cell where: (RT ln inside/outside)  =  643 cal/mol    and (zFVm)  =  -1292 cal/mol Which of the following describes the concentration gradient of Ca2+ across the membrane of the cell described above?

Most cells have a negative plasma membrane potential because they have

Which of the following correctly represents the term Vm?

________________ are responsible for lowering the pH in lysosomes.

What specific event stimulates the Na+/glucose symporter protein to switch to its conformation that is open to the outside of the cell?