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Questions and Answers
What is the function of transport proteins in the plasma membrane?
What is the function of transport proteins in the plasma membrane?
- To move large molecules using bulk transport
- To provide energy for active transport
- To control passage across cellular membranes (correct)
- To regulate the movement of small molecules
Which of the following is true about the plasma membrane?
Which of the following is true about the plasma membrane?
- It separates the living cell from its surroundings (correct)
- It is composed mainly of carbohydrates
- It allows all substances to cross it equally
- It does not regulate inbound and outbound traffic
Which type of transport requires both energy and a transport protein?
Which type of transport requires both energy and a transport protein?
- Bulk transport
- Active transport (correct)
- Passive transport
- Endocytosis
What are membranes composed mainly of?
What are membranes composed mainly of?
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What type of molecules move in and out of the cell using exocytosis or endocytosis?
What type of molecules move in and out of the cell using exocytosis or endocytosis?
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Which of the following is NOT a component of cellular membranes?
Which of the following is NOT a component of cellular membranes?
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What is the term for the movement of small molecules across the cell membrane without the input of energy?
What is the term for the movement of small molecules across the cell membrane without the input of energy?
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What type of molecules require transport proteins to move across the cell membrane?
What type of molecules require transport proteins to move across the cell membrane?
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What is the term for the process by which large molecules move in and out of the cell using bulk transport?
What is the term for the process by which large molecules move in and out of the cell using bulk transport?
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What is the main function of the plasma membrane?
What is the main function of the plasma membrane?
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