i would say c, because many people are in need for new livers, kidneys, etc, and it does save a lot of lives per year
The main one is actin. Actin in a protein that forms its molecules to form twisting chains into a helix formation. These proteins support the contraction of muscles.
Answer:
True.
Explanation: I learned this before. Its true
A testable question then testable hypothesis I think?
