¿qué tipo de información se incluye en una hoja de MSDS? what type of information is included in an MSDS sheet?

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.

Which of the following is a common response to cell signaling?

Produce proteins by following coded instructions that come from the nucleus of the cell.