Cholesterol is a component of the cells membranes and is an example of which type of lipid Triglycerides

Fatty acids

Oils

Steroids

phospholipids

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 leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

How will you manage your time to accomplish the necessary tasks both on the job and at home?