Scientists use global satelites to quantify the number of phytoplankton by specifically analyzing the amount of in the water.

a. chlorophyll
b. mitochondria
c. melanin
d. carotenoids

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Compare the composition of the moon's surface with the composition of the earth's surface.

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.