Complement
A)Is the name of a specific family of proteins that interact in a defined, complex sequence
B)Is secreted by lymphocytes
C)Enhances antibody activity
D)Both is the name of a specific family of proteins that interact in a defined, complex sequence and enhances antibody activity are correct
E)All of the choices are correct

Question

Quizplus · Accepted Answer

Complement is a specific family of proteins that interact in a defined, complex sequence, and they enhance antibody activity. Therefore, both options A and C are correct. Option B is incorrect because lymphocytes secrete antibodies, not complement. Option E is incorrect because option B is incorrect.