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Biology 19 Online
OpenStudy (anonymous):

Which structures help both plant and animal cells meet the challenges of life? A. vacuoles and cell membrane B. cell wall and lysosomes C. flagella and mitochondria D. nucleus and cell membrane

OpenStudy (secret-ninja):

D. Nucleus and Cell Membrane. :) it protects and powers the cell.

OpenStudy (anonymous):

Thank you again

OpenStudy (anonymous):

I agree it is D

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