Hi there!
So basically... A is true because any type of jewelry could cause contamination, B is true because don't stones tear gloves?! C is also true because who says you can't wear your wedding band... right? This leaves us with D. Next time I recommend you to slash the trash. Use the process of elimination. It helps! Hope this answer has helped you. Have a great day.
<span>refuse to eat until force fed
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Answer:
There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response. Cytotoxic T cells (Tc cells) have a co-receptor called CD8 on their cell surface. CD8 partners with the T cell receptor and with MHC class I molecules, acting as a sort of bridge.
Explanation:
