Multiple choice

Most abundant elements in a living cell are

  1. C, O, H, N

  2. C, O, S, P

  3. C, O N, S

  4. C, O, H, P
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon, oxygen, hydrogen, and nitrogen are the primary building blocks of organic molecules like proteins, carbohydrates, and lipids, making them the most abundant elements in living cells.

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