Which type of biological macromolecule is a new drug most likely to be?
a. nucleic acid
b. protein
c. carbohydrate
d. lipid

Why do bacteria thrive even in hostile environments

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

In which state was more than 100 billion tons of coal mined in 2005?