Which process is the total of all the chemical reactions in an organism? homeostasis migration metabolism respiration

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

The carrier molecules of the electron transport system are located in the

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.