Exam 6: Interactions Between Cells and the Extracellular Environment

In secondary active transport,if the other substance is moved in the same direction as Na⁺,it is called

Which of the following is a function of the steep Na⁺/K⁺ gradient across the cell membrane?

Hydrophobic molecules usually enter a cell via __________.

Which of the following is NOT true of cyclic AMP?

In the Na+/K+ pump,three sodium ions from inside the cell must enter the carrier first.

What type of intravenous fluid would be given to reduce edema?

Edema will result if a person has an abnormally low concentration of plasma proteins.

What structures affect cell motility,adhesion,and proliferation?

The transport maximum is related to the property known as

Most cells have a resting membrane potential between

The transport of molecules out of the urinary filtrate and into the blood is called

A solution freezing at -1.98 ^$\circ$ C

The glucose carrier of skeletal muscle is designated as

Where is the receptor for a nonpolar,lipid-soluble regulatory molecule?

Diffusion ____________ the entropy of a solution.

A six molar sucrose (molecular weight = 342g)solution would contain

Secondary active transport often occurs as a coupled transport process.

The sodium equilibrium potential using an extracellular Na⁺ concentration of 145 mEq/L and an intracellular concentration of 14 mEq/L would be about

The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.

________ are a class of glycoproteins that bind to components in the extracellular matrix thereby acting as adhesion molecules between cells and the matrix.