There are five statement questions: True or False?

1) Clonal deletion destroys T cells that react against the body's own antigens.


2 Antigens are usually macromolecules with highly repetitive structures.


3) Interleukins are chemical messengers secreted by leukocytes to communicate with each other.


4) Natural killer (NK) cells are lymphocytes that do not depend on recognition of a specific foreign antigen.


5) One role of macrophages is to ';present'; antigens so that T helper cells can recognize them.There are five statement questions: True or False?
all statements are trueThere are five statement questions: True or False?
1. T


2. F


3. T


4. T


5. F
All the Above statements are ';TRUE';.
1t 2f 3t 4f 5t