Short Answer
An APC presents antigen to an unactivated T lymphocyte on an MHC I molecule and secretes IL- 12 at the same time. As a result the T lymphocyte differentiates into a (Th1/Th2/Tr) lymphocyte.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: The ability of the body to respond
Q26: The (constant/end/variable)regions from the light and heavy
Q33: Which of the following statements about lymphocytes
Q35: A sick child may have influenza or
Q36: Which of the following is the function
Q37: Which of the following statements concerning plasma
Q40: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1520/.jpg" alt=" What will be
Q41: Which of the following molecules would contain
Q47: Professional antigen-presenting cells (APCs) include B cells,
Q57: Molecules with a molecular mass less than