Answer:
Uh, Cellular Respiration
Explanation:
Um... if this isn't it, I have no idea.
Answer: "sphygmomanometer" .
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The cell wall is what gives plant cells their shape. The cell wall, not to be confused with the cell membrane, is a rigid structure made up of long cellulose fibers, branching hemicellulose fibers, and pectin. The fluid pressure inside the cell also contributes somewhat to their shape.
Heterotrophs depend on photosynthesis as a source of oxygen
C, because DNA is the smallest one
