B. because STEM is SCIENCE technology ENGINEERING and mathematics therefore dis bih Anika will b a scientist for NASA
Gel electrophoresis is a technique used to separate DNA fragments (or other macromolecules, such as RNA and proteins) based on their size and charge. Electrophoresis involves running a current through a gel containing the molecules of interest.
Answer: molecule transport and energy use
Explanation: I got the answer from castle learning
D. sum of all chemical reactions in an organism
