Which type of drug has never played a role in health care? opiates depressants inhalants stimulants?

How do you transfer mrna into codons ? i'm so confused : (

Whay is the following best defines climate

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.