LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

SIGNALLING IMMUNOLOGY CANCER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Helper T cells are very important because they..
A
Circulate through body and recruit other cells to fight
B
interact directly with B cells, prodding them to multiply more rapidly
C
Signal antibody formation
D
All answers are correct
Explanation: 

Detailed explanation-1: -There are two major types of T cells: the helper T cell and the cytotoxic T cell. As the names suggest helper T cells ‘help’ other cells of the immune system, whilst cytotoxic T cells kill virally infected cells and tumours. Unlike antibody, the TCR cannot bind antigen directly.

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