So first activation energy is lowered by enzymes !
and for this question.... almost All enzymes are made of protein ....so answer is B .... protein !!!
C.) Antigen on the red blood cells
Answer:
Pedigrees are used to analyze the pattern of inheritance of a particular trait throughout a family. Pedigrees show the presence or absence of a trait as it relates to the relationship among parents, offspring, and siblings.
Explanation: