Which organelle is considered the
builder of the cell?

this process is called "phosphorylation." a phosphate bond joins adenosine diphosphate to form adenosine triphosphate.

answer; /// i believe the correct answer is (thrombocytopenia); (a)

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.