Cell Membrane Test Basic Questions! Trivia Quiz
A selection of multiple choice and missing word questions about cell membrane structure and the movement of substances across it.
- 1.The function of a cell membrane is to .................... what enters and leaves a cell
- 2.Membranes are made up of two layers of what?
- A.
Proteins
- B.
Carbohydrates
- C.
Lipids
- D.
Phospholipids
- 3.Polar heads of phospholipids are said to be what?
- 4.Hydrocarbon tails of phospholipids are said to be what?
- 5.What model was proposed for the cell membrane?
- A.
Fluid tile
- B.
Rigid mosaic
- C.
Fluid mosaic
- D.
Fluid square
- E.
Rigid square
- 6.Intrinsic proteins span how far into the membrane?
- A.
Width
- B.
Length
- C.
Part
- D.
Outer side
- E.
Inner side
- 7.Extrinsic proteins span how far into the membrane?
- A.
Width
- B.
Length
- C.
Part
- D.
Outer side
- E.
Inner side
- 8.Cell membranes have the following functions
- A.
Controlling the passage of materials in and out of cells
- B.
Recognition of other cells
- C.
Receptor sites for hormones and neurotransmitters
- D.
Transmission of nerve impulses
- E.
Insulation of nevers
- 9.Molecules can move across membranes by?
- 10.Diffusion occurs ................... no ATP
- 11.Osmosis is the;
- A.
Movement of substances down a gradient
- B.
Net movement of water across a ppm from an area of high concentration to an area of low concentration
- C.
Net movement of water across a ppm from an area of low concentration to an area of high concentration
- D.
Net movement of water from an area of high concentration to an area of low concentration
- 12.Changes shape to help move molecules through the membrane
- 13.Forms tunnels in the membrane for water soluble molecules to move through
- 14.Active transport does the following
- A.
Uses ATP
- B.
Moves substances with a concentration gradient
- C.
Moves substances against a concentration gradient
- D.
Is a passive process
- 15.Two forms of bulk transport are?
- A.
Epicytosis
- B.
Endocytosis
- C.
Englocytosis
- D.
Exocytosis
- E.
Exophlytosis
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