Which macromolecule provides a person with most of the energy that is needed for daily activities?
a. carbohydrates
b. lipids
c. nucleic acids
d. proteins

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Where are the strongest jet streams located?