State two distinguishing features of all prokaryotes

lack of organized nucleus

cell wall act as an extra layer protection

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

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.