Cell Membrane exam Pag. 1

All organelles within a cell are surrounded by

• Cell Wall

• Membranes

• Tissues

• Proteins

Membranes are made of

• Bricks

• Phospholipids

• Cell Wall

• Cell Material

How many layers of phospholipids does a double layer have?

• 6

• 9

• 2

• 1

The parts of the cell membrane are...

• Enzymes, receptor proteins, recognition proteins, transport protein, connection proteins

• Enzymes, organelles, cell wall, cell membrane, vacuole

• Enzymes, eykariotic, prokariotic

• none of the above

The structure of proteins and phospholipids can change dynamically in response to

• Environment and cell needs

• Phospholipids chain

• Phospholipids motion

• All of the above

Cell membrane isolates the contents of organelles from its surroundings?

• True

• False

Cytosol is...

• The liquid solution in which organelles float and is enclosed by the cell membrane

• A type of gas

• A liquid solution that looks like blood and identifies the cell

• All of the above

The interstitial fluid is...

• A liquid solution in which cells of our body float and carries nutrients and substances used by the cell.

• A liquid responsable of the process of photo genesis in the plant cell

• A liquid that contains a salty solution that provides energy to the blood

• All of the above

The cell membrane regulates the exchange of substances between the cell and the interstitial fluid and between the organelles and the cytosol?

• True

• False

The cell membrane allows communication between cells in a multicelular organism?

• True

• False