A foreign antigen has entered the body, which has elicited the immune response. A helper T cell binds to an antigen fragment on an antigen-presenting cell. What happens next?
A) B cells produce more antibodies.
B) A cytotoxic T cell destroys the antigen.
C) Free antibodies attach to the antigens.
D) A macrophage engulfs the target antigen.
Question 2
Meat replacements consumed by vegetarians are usually made of ____.
A) soy protein
B) fish protein
C) bean plus rice proteins
D) bean plus cheese proteins
Diagram of a typical prokaryotic cell
Planes of the body.
Interrelationships of the integumentary system with other body systems
Organ systems of the human body.
Use palms and fingers to brush off along the back of the body from shoulders to feet with long ...
The major events in meiosis in an animal cell