Homeostasis, Plasma Membrane, Cell Transport Review

Front

What is another term for 'selectively permeable'?

Back

Semipermeable

Front

In biological membranes, how are phospholipids arranged?

Back

In a bilayer, with the fatty acids pointing toward each other.

Front

What is the process called when the pancreas releases insulin to lower blood sugar levels?

Back

Negative Feedback Loop

Front

Identify a type of protein that is attached to the surface of the membrane.

Back

Peripheral protein.

Front

Which of the following is NOT a function of the cell membrane?

Back

It is the control center of the cell.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in an organism.

Front

What role does the plasma membrane play in a cell?

Back

It acts as a selective barrier that regulates what enters and exits the cell.

Front

Define diffusion in the context of cell transport.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the function of channel proteins in the plasma membrane?

Back

They facilitate the transport of specific substances across the membrane.