Answer:
what's the question though
1) Remove the chemical
2) Remove any contaminated clothes or jewelry
3) Rinse the burn immediately
4) Loosely apply a bandage or gauze
5) Take an OTC pain reliever
6) Consider a Tetanus shot
Answer:
Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.
He should raise his hand and wait for a teacher