A skier at the top of the slope has energy. Group of answer choices

kinetic energy

potential energy

velocity

speed

Glutamic acid: hydrophilic or hydrophobic? positive, negative, or neutral? valine: hydrophilic or hydrophobic? positive, negative, or neutral?

Depending on the organism the number of in a cell may change

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.