13
QuizMultiple Choice

Effects of Cycles on Ecosystems

Question 13 • 26-27 - C - RUSD Environmental Science S1

Phosphorus plays an important role within the structures of the body. Which of the following structures is phosphorus found in?

Answer
A
bones
B
cell membranes
C
DNA
D
all of the above

Explanation

Phosphorus is found in bones as part of mineral compounds, in cell membranes as part of phospholipids, and in DNA as part of its sugar-phosphate backbone. Since all three structures contain phosphorus, the best answer is “all of the above.”

AI-written and checked against the verified answer.

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