The ph of the gastric juice of the stomach is about 2 due to the formation of hcl. where does this formation of hcl occur?

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.

Archaebacteria use for movement. celia flagella pili cell walls

What type of plant is good for a bioassay and where can i buy it? i only have a month.