The kind of bond that lipids won’t form with water is a _ _ _ _ _ _ _ _ bond. What goes in the blank spot?

Brainliest!

Which system revise and send electrical signals throughout the body

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.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?