It’s A- nucleic acids arranged in a double helix. Hope this helps!
Answer: The correct answer is option (A) it produces molecules of ATP.
Explanation: The main role of the electron transport chain in cellular respiration is that it produces ATP molecules. Adenine tri phosphate (ATP) is a molecule of energy which is produced during oxidation reduction reaction. This energy is used in most of the chemical reaction that is occur inside the cell.
<h2><em>D. Determine valu</em></h2><h2><em>I took the test (I got a A btw)</em></h2>
Reactants? The chemicals needed to start a chemical reaction.