Answer and explanation;
-Aba is a suitable replacement because Aba and Cys have approximately the same sized side chain and are similarly hydrophobic.
-However, Aba cannot form disulfide bonds so it will not be a suitable replacement if these are required.
-Alpha-Aminobutyric acid is biosynthesized by transaminating oxobutyrate, a metabolite in isoleucine biosynthesis.
(E) none of the above statements are true
rain almost always comes from west to east so the western side of the mountain ranges would get more rain. A and C are not very relevant to the question<span />
The DNA is found in the nucleus of the cell
