There isnt any choices but i know that the answer is Uracil (it's found in RNA)
Answer:
How traits/characters were passed down and inherited from parents to offspring.
PH changes protein structure if the pH level is below seven which is acidic and or above seven which is basic. The best condition for the enzyme to work is the pH of seven this is where the protein carries out its function and is not denatured. It fits into the enzyme
