A part of an mRNA has the sequence AAA. Use the table below to figure out which amino acid is coded for AAA, then use the table to figure out which change to this sequence would indicate a silent mutation.

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.