The four fundamental types of organic molecules are nucleic acids, proteins, lipids, and blank space

a. phosphates

b. nitrates

c. sulfates

d. carbohydrates

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

  the mississippians were considered to be  horticulturalists, which means they were