Exam 5: Membranes and Transport

Which function of cellular membranes is critical to the ionic and molecular organization of cells? ​

A channel that opens in response to changes in ionic charge across a membrane is called a(n)____ channel. ​

Cystic fibrosis primarily affects which organ? ​

Cells undergo exocytosis ____. ​

When referring to membrane glycolipids and glycoproteins, the term "glyco-" indicates ____. ​

When a plant cell is placed in a hypotonic solution, the cell wall prevents ____.

Carrier molecules are utilized for ____. ​

A(n)____ environment is ideal for plant cells, while a(n)____ environment is best for animal cells. ​

Distilled water is ____ to body cells. ​

A scientist fused a mouse cell and a human cell, then treated the cell with specific antibodies covalently linked to colored fluorescent dyes (antibodies to mouse proteins were labeled green; antibodies to human proteins were labeled red). Forty minutes later, what will the researcher observe? ​

Movement of a substance from an area of low concentration to an area of high concentration using energy obtained from ATP is called ____.

The major structural components of a cell membrane are ____.

Which proteins form channels in the membrane that allow selected polar molecules and ions to pass through and across the membrane?