Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
Answer – D. RNA
Like proteins, Ribonucleic acid is another kind of organic molecule that also acts as a catalyst for chemical reactions. Asides acting a catalyst for chemical reactions, proteins have a wide variety of functions that they perform in in living cells.
Answer:
bio -characteristic of life
Cementation and compaction
