HW 3 Ch 04 Activity: Membrane Structure

What is the function of Structure E? A. stabilization of the phospholipids B. detection of environmental change C. structural support of the cell D. cell-cell communication E. transport across the plasma membrane

Answer: A. stabilization of the phospholipids Cholesterol helps to stabilize the structure of the plasma membrane.

Identify Structure D. see the picture: https://session.masteringbiology.com/problemAsset/1143956/3/0702q.jpg A. glycoprotein B. phospholipid bilayer of membrane C. protein D. extracellular matrix E. cholesterol

Answer: B. phospholipid bilayer of membrane

Identify Structure A. see the picture: https://session.masteringbiology.com/problemAsset/1143956/3/0702q.jpg A. cholesterol B. protein C. glycoprotein D. phospholipid E. extracellular matrix

Answer: C. glycoprotein Structure A is composed of both a carbohydrate and a protein.