Vacuoles store materials in a cell.
Binary fission is for reproduction of a cell by division into two equals parts
Answer:
Forelimb protraction starts with a rapid flexion of the shoulder joint bringing the humerus close to its maximum cranial rotation angle, almost in parallel to the mid-sagittal plane. This position has already been reached by the middle of the swing phase.
I think the answer is a sorry if I get it wrong
