Cell Membrane: Structure And Function Quiz
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Homework for October 25. Please use your full name.
- 1.
- A.
Made of carbohydrates
- B.
Made of proteins
- C.
Made of nucleic acids
- D.
Hydrophobic
- E.
None of the above
- 2.A membrane is permeable to hydrogen, but impermeable to sodium ions. Which molecule cannot move into the cell?
- 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.
- 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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