The question is incomplete. The complete question has been attached below.
Answer:
Option (1).
Explanation:
The plasma membrane or cell membrane consists of the lipid bilayer as well different types of proteins. Carbohydrates are also present in the plasma membrane in association with lipid and proteins.
The protein may be inserted in the plasma membrane as intergral membrane proteins or may span the membrane bilayer as transmembrane protein. The protein is attached with lipid bilayer by spanning the layer as alpha helix or barrel proteins.
Thus, the correct answer is option (1).
