Asingle atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it?
a. v
b. na
c. mg
d. se

A. V is Vanadium and it has 23 electrons, so it couldn't be your answer.
B. Na is sodium and has 11 electrons, so it is your answer
C. Mg is Magnesium and it has 12 electrons, so it couldn't be your answer either.
D. Se is Selenium and it has 34 electrons, so it couldn't be your answer.
So your answer is B.

Allow large amino acids through

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.