Question 12 (Mandatory) (3 points) This organelle stores and protects most of the cell's DNA.
A. Golgi body
B. cell wall
C. nucleus
D. cytoplasm

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.