is the tool used to transfer bacteria into culture media that is sterilized by the bunsen burner.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

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?

What are some natural processes that represent physical and chemical changes?