What is formed during transcription? a) rna strand complementary to dna strand, formed by rna polymerase. b) dna strand complementary to dna strand, formed by dna polymerase c) dna strand complementary to rna strand, formed by rna polymerase d) dna strand complementary to rna strand, formed by rna polymerase

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.