Exam 6: Interactions Between Cells and the Extracellular Environment

Antidiuretic hormone is released by the posterior pituitary in response to increased plasma osmolality.

Freezing-point depression is a measure of osmolality.

Glycosuria occurs when the ____________ of the renal glucose transport protein is exceeded.

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

Why are cells in body organs generally within 100 m of a blood capillary?

Whose equation allows one to calculate equilibrium potential for a particular ion?

Poisoning the Na⁺/K⁺ pump would

Facilitated diffusion of a molecule into a cell would be more rapid if

Channels present in the membranes of some cells that allow rapid movement of water are called

The transport of amino acids across epithelial membranes requires the

What determines how a regulatory molecule influences its target cell?

A one molar solution would contain 6.02  10²³ molecules of solute.

Cells placed in hypotonic solutions will

Poisoning the Na⁺/K⁺ pump would cause the volume of the cell to __________.

Desmosomes are a type of junctional complex.

Which of the following is NOT a primary active transport pump?

ORT is based on understanding transport mechanisms and junctional complexes.

Protein carrier mediated transport of molecules display

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

The majority of water within the body is found in the