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What is true about T-lymphocytes in mamm...

What is true about T-lymphocytes in mammals : -

A

There are three main types,cytotoxic T-cells, helper T-cells, and supressor T-cells.

B

These originate in secondary lymphoid tissues.

C

These scavenge damaged cells and callular debris.

D

These are produced in thyroid.

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The correct Answer is:
A
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