Answer:
they are found on the outside of the membrane.
Explanation:
Mitochondria- it produces the energy for the cell. the muscle needs more energy because they are always functioning
Thin, flexible barrier around a cell; regulates what enters and leaves the cell
- contains the cytoplasm (all interior cell organelles and the cytosol) - allowing the chemical reactions in the cell to occur
<span>- semipermeable (or selectively permeable) - allows certain substances in, keeps others out </span>
<span>- offers limited protection</span>
