how does molecular size relate to the movement of amino acids?

Answer 1

The heavier the molecule, the slower it moves. The lighter the molecule the faster it moves.

Answer 2

Yah! amino acids relate. Branched Chain Amino Acids (BCAA) are 3 essential amino acids which are abundant in muscles. The branched chain amino acids (BCAA's) leucine, isoleucine and valine are three of the eight essential amino acids the human body must receive in food.
For More Detail
http://www.starherb.com/supplementlist.asp

Answer 3

Please be more specific. that is movement of amino acids in / on what?
Within a cell cytoplasm, in a solution, in thin layer chromatography (specify solvents/staionary pahse) or gel electrophoresis (buffers etc required)
No specificity to the question...no answer

Answer 4

they are not related