Question

correctly match the term and definition: a plasma-membrane lipid that stiffens the plasma membrane. answer options: glycolipid, phospholipid, integral protein, cholesterol, i dont know yet

Explanation:

To solve this, we analyze each option:

• Glycolipid: Involved in cell recognition, not stiffening the membrane.
• Phospholipid: Forms the bilayer but doesn't stiffen it.
• Integral protein: A membrane protein, not a lipid.
• Cholesterol: A plasma - membrane lipid that helps stiffen the plasma membrane by fitting between phospholipids and reducing their movement.

Answer:

D. Cholesterol