The EPA sets forth a reference dose for a pesticide. This represents:
a. the amount of the chemical permitted to be sprayed on a crop per growing season.
b. the amount of a chemical that could be consumed daily without posing any health risk.
c. the amount of a chemical permitted to be sprayed on a field over a 5-year period.
d. the amount of a chemical that could be consumed yearly without posing any health risk.
Question 2
Most additives that pose any potential risk are allowed in foods only at levels _____ of those at which the risk is still known to be zero.
a. 1/10
b. 1/50
c. 1/100
d. 1/1,000
Deamination and mispairing of modified bases by a chemical mutagen.
Bartel and Szostak demonstrated chemical selection for RNA molecules that can catalyze phosphoester
Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
Metered-dose inhaler
The chemical structure of the water molecule facilitates life
IPM combines biocontrol and chemical methods