A change in the sequence of nitrogen bases in a gene us called a(n)

protein synthesis is an example of feedback mechanism which in homeostasis

answer; the correct answer is conflict- related aggression; +

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.

the scientific method.