When lactose alone is present in bacterial medium, the lac operon is?

Marijuana is an example of a(n) drug

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

Never seek shelter from a tornado: a. in a mobile home b. in a car or truck c. in a room with windows d. in any of the above