Exam 6: Interactions Between Cells and the Extracellular Environment

Proteins that extend from the cytoskeleton within the cell,through the plasma membrane,and into the extracellular matrix are

The osmolality of plasma is

Secondary active transport

___________ g of sucrose (molecular weight = 342g)would be added to 1L of water to produce a 2.5 Osm solution.

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

How do small ions like Na+ of K+ pass through the plasma membrane?

Which of the following cells do NOT normally have many aquaporins in their plasma membranes?

What structures are used for direct cell to cell signaling?

The Na⁺/K⁺ pump creates a ____________ charge inside the cell.

Which of the following is true of oral rehydration therapy?

Passive transport of water is known as

A one molal NaCl solution has the same osmolality as a one molal glucose solution.

A solution consists of a ____________ which dissolves the ____________.

Hyperkalemia would ____________ the resting membrane potential of the cell.

Active transport proteins are often regulated by phosphorylation.

Inhibition of receptor-mediated endocytosis

What type of functional complex will prohibit paracellular transport?

Bulk transport is required for the transport of large polar molecules into or out of cells.

Osmotic pressure is a measure of the force needed to

Solutes that cannot freely pass through a membrane are said to be