Parenteral route
injecting a drug into the body, includes intradermal, SQ, IM, IV routes. Drugs given IV route produce the most rapid actions because they are given directly into the bloodstream.
I think it is 19 but I am not sure because I know mitosis had 2 times the amount as meiosis
B. DNA.
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The mechanism of enzymatic action within a single substance
The answer would probably be be D