Question
Question: What is true about T-lymphocytes in mammals :...
What is true about T-lymphocytes in mammals :
A
There are three main types-cytotoxic T-cells, helper
T-cells and suppressor T-cells
B
These originate in secondary lymphoid tissues
C
They scavenge damaged cells and cellular debris
D
These are produced in thyroid
Answer
There are three main types-cytotoxic T-cells, helper
T-cells and suppressor T-cells