C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
The answer is Gly-Ser-Arg
I believe it is gel electrophoresis.
Gel electrophoresis is a techniwue used to separate DNA fragments or other macromolecules such as RNA and proteins based on their size and charge. It can also determine the actual size of a piece of DNA by examining it next to a standard "yardstick" made up of DNA fragments of known sizes.
