Khan Academy is great! Also, Alison (it's a website) has some free courses as well.
The correct answer is to "dilute with milk and water". The patient should not be induced to vomit to prevent aspiration as this can lead to another condition which is aspiration pneumonia. The patient should be given either a glass of milk or a glass of water for ingestion of petroleum jelly.
A pairs with T
C pairs with G
and vice versa so
TTTTTAACG
CCGAAATGT
I believe the closest related is speices and class
