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Questions and Answers
What are the main components of the cell membrane?
What are the main components of the cell membrane?
- Carbohydrates and lipids
- Proteins and carbohydrates
- Nucleic acids and lipids
- Lipids and proteins (correct)
Which of the following best describes the cell membrane?
Which of the following best describes the cell membrane?
- A selective membrane that allows the passage of some substances and prevents the passage of others (correct)
- A semi-permeable membrane that prevents the passage of all substances
- A thick rigid membrane that allows the passage of all substances
- A thin elastic membrane that separates the intracellular fluid from the extracellular fluid
Which process requires energy to transport substances across the cell membrane?
Which process requires energy to transport substances across the cell membrane?
- Simple diffusion
- Osmosis
- Active transport (correct)
- Facilitated diffusion
What is the function of the phospholipid heads in the cell membrane?
What is the function of the phospholipid heads in the cell membrane?
What is the function of the phospholipid tails in the cell membrane?
What is the function of the phospholipid tails in the cell membrane?
Which term describes the property of the cell membrane that allows passage of some substances while preventing others?
Which term describes the property of the cell membrane that allows passage of some substances while preventing others?
What is the main component of the cell membrane?
What is the main component of the cell membrane?
What is the function of the phospholipid heads in the cell membrane?
What is the function of the phospholipid heads in the cell membrane?
What process requires energy to transport substances across the cell membrane?
What process requires energy to transport substances across the cell membrane?
What is the function of the phospholipid tails in the cell membrane?
What is the function of the phospholipid tails in the cell membrane?
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