Circle the letter of each sentence that is true about the cell wall. a. Cell walls are made of cellulose.
b. Plant cells have cell walls.
c. Animal cells have cell walls.
d. Water and oxygen cannot pass through the cell wall

D.Water and oxygen cannot pass through the cell wall

Explanation:

not sure

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explanation:

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.