Two amino acids frequently found in reverse turns are a. glycine and proline b. tyrosine and tryptophan c. leucine and isoleucine d. serine and threonine

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.