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Questions and Answers
What is the function of the cell membrane?
What is the function of the cell membrane?
- To synthesize proteins for the cell
- To regulate the cell's reproductive functions
- To store energy for the cell
- To act as a barrier between the cell and its surroundings (correct)
Which component makes up about 42% of the cell membrane?
Which component makes up about 42% of the cell membrane?
- Integral proteins
- Lipid bilayer made of phospholipids and cholesterol (correct)
- Peripheral proteins
- Nucleic acids
What is the role of peripheral proteins in the cell membrane?
What is the role of peripheral proteins in the cell membrane?
- To be attached to the surface of the cell membrane (correct)
- To facilitate energy production for the cell
- To extend through the whole thickness of the membrane
- To regulate the passage of nutrients into the cell
Which system is responsible for distributing nutrients, oxygen, and metabolic products in the human body?
Which system is responsible for distributing nutrients, oxygen, and metabolic products in the human body?
What is the main function of the reproductive system?
What is the main function of the reproductive system?
Which type of solute transport across the cell membrane does not require energy?
Which type of solute transport across the cell membrane does not require energy?
What type of substances can diffuse through the lipid bilayer of cell membranes?
What type of substances can diffuse through the lipid bilayer of cell membranes?
Which proteins are responsible for tissue typing and antibody processing in the immune system?
Which proteins are responsible for tissue typing and antibody processing in the immune system?
What is the function of ion channels in the cell membrane?
What is the function of ion channels in the cell membrane?
Which type of transport across the cell membrane involves the movement of molecules from an area of higher concentration to an area of lower concentration?
Which type of transport across the cell membrane involves the movement of molecules from an area of higher concentration to an area of lower concentration?
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