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Questions and Answers
What is the primary component of the plasma membrane?
What is the primary component of the plasma membrane?
- Carbohydrates
- Proteins
- Phospholipids (correct)
- Cholesterol
Which part of the phospholipid molecule is hydrophilic?
Which part of the phospholipid molecule is hydrophilic?
- Tail
- Head (correct)
- Both head and tail
- Neither head nor tail
What type of substances do membrane proteins allow to pass through the plasma membrane?
What type of substances do membrane proteins allow to pass through the plasma membrane?
- Lipid-soluble substances only
- Sugars and proteins
- Cholesterol only
- Electrolytes and non-lipid soluble substances (correct)
What is the function of branched carbohydrate molecules attached to the outside of the cell?
What is the function of branched carbohydrate molecules attached to the outside of the cell?
Which component influences the transfer of substances across the plasma membrane?
Which component influences the transfer of substances across the plasma membrane?
What is the function of cholesterol in the plasma membrane?
What is the function of cholesterol in the plasma membrane?
How do the differences in the arrangement of phospholipids influence the transfer of substances across the membrane?
How do the differences in the arrangement of phospholipids influence the transfer of substances across the membrane?
What is the role of membrane proteins that extend through the plasma membrane?
What is the role of membrane proteins that extend through the plasma membrane?
How do carbohydrate molecules attached to the outside of the cell contribute to the cell's immunological identity?
How do carbohydrate molecules attached to the outside of the cell contribute to the cell's immunological identity?
What is the primary function of phospholipids in the plasma membrane?
What is the primary function of phospholipids in the plasma membrane?
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