The purpose(s) of an electron transport chain is/are to

The monomers of nucleic acids are joined by

              developed the modern discipline of epidemiology while mapping cases of cholera around the Broad Street pump.  This work established that cholera was water-borne, as opposed to caused by miasmas (bad smells).

During the aerobic catabolism of glucose, which of the following is produced only in the Krebs cycle?

A DNA molecule synthesized from an RNA template is called

All of the following are uses of carbohydrates in organisms except:

Which of the following types of RNA encodes a protein?

Which of the following is not a growth factor for microbes?

Which of the following methods of DNA repair involves enzymes that recognize and break apart pyrimidine dimers?

When wall-less cells are placed in a hypertonic solution they