Answer:
I'm almost positive that's its C but if they already paid then D
Answer:The sliding filament model of muscle contraction, put forward by Hugh Huxley and Jean Hanson in 1954, is 60 years old in 2014. Formulation of the model and subsequent proof was driven by the pioneering work of Hugh Huxley (1924–2013).
Explanation:
Just as glucose is the basic building block for carbohydrates, amino acids are the basic building blocks of protein. Amino acids contribute to the development of protein within the body and are vital in assisting in wound repair and encouraging healthy tissue in muscles, bones, skin and hair. There are 22 amino acids with 9 being essential.
That is False the adult human body only has 206. :) -BlackCanary
