Which of the following is NOT a function of proteins aid in speeding up chemical reactions
aid in transporūng molecules in and out of cells
o aid in fighting infections
aide in providing celular energy to run biological processes
o aid in building tissues, organs and other structural components

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.

i thinking chemical change

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.