Question

question 1
1 pts
antibody molecules
have all of these characteristics.
have a constant region that binds to antigens.
are large glycolipids.
have a variable region that can activate complement or attach to macrophages.
are called immunoglobulins.

Explanation:

Antibodies are immunoglobulins. They are proteins (not glycolipids). The variable region binds to antigens, while the constant region can activate complement or attach to macrophages.

Answer:

have all of these characteristics.