3. Which additional element distinguishes amino acids from carbohydrates? (A) Phosphorus (B) Nitrogen (C) Oxygen (D) Hydrogen

1. Which of the following is NOT a distinctive property of living systems? (A) Living organisms exhibit a high level of organization. (B) Biological structures are related to specific functions. (C) Living systems have the capacity for reproduction. (D) Living systems do not carry out energy transformation.