Which muscle fibers are best suited for sprinting?
yellow fibers
motor-neuron cells
red fibers
white fibers

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.