Cell Membrane: Structure And Function Quiz
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Thin membranes bound all living cells and many of the tiny organelles internal to cells. The cell membrane controls the movement of substances in and out of cells and organelles whilst protecting the cell from it’s surrounding. Take up the quiz below and get to see how much you understood about its structure and how it helps it attain its functions.
- 1.The head of a phospholipid is...
- A.
Made of carbohydrates
- B.
Made of proteins
- C.
Made of nucleic acids
- D.
Hydrophobic
- E.
None of the above
- 2.
- A.
Hydrogen
- B.
Sodium ions
- C.
Both hydrogen and sodium ions
- D.
Neither
- 3.Cell membranes are constructed mainly of...
- A.
Phospholipid bilayers
- B.
Protein pumps
- C.
Glycoproteins
- D.
Carbohydrates
- E.
Cholesterol
- F.
Transport proteins
- 4.
- A.
It allows substances to freely enter and exit the cell.
- B.
It controls which substances enter and exit the cell.
- C.
It prevents substances from entering the cell.
- D.
It prevents substances from leaving the cell.
- 5.
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- A.
Carbohydrate
- B.
Cholesterol
- C.
Protein
- D.
Lipid
- 6.What is the function of the carbohydrates in the cell membrane?
- A.
Pumps and channels
- B.
Communication
- C.
Strength
- D.
Break down organelles
- 7.The tail of a phospholipid is...
- A.
Made of carbohydrates
- B.
Made of proteins
- C.
Made of nucleic acids
- D.
Hydrophilic
- E.
None of the above
- 8.What is a function of proteins in cell membranes?
- A.
Cellular transport
- B.
Photosynthesis
- C.
Cellular respiration
- D.
None of the above
- 9.This process stores energy for the cell in the form of sugar.
- A.
Phospholipid bilayer
- B.
Diffusion
- C.
Photosynthesis
- D.
Cellular respiration
- 10.This process releases energy stored in sugar.
- A.
Cellular respiration
- B.
Photosynthesis
- C.
Active transport
- D.
Diffusion
- 11.This energy-rich molecule, produced by cellular respiration, is vital for the functioning of the cell.
- A.
Sugar
- B.
Oxygen
- C.
Carbon dioxide
- D.
Water
- E.
ATP
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