Scientist publish their results in that use a process called , or careful examination by other scientists. academic journals, movie review

personal journals, analysis

graphic novels, peer review

academic journals, peer review

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?