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Enzymes and ATP Structure › Viewproteins that speed up biochemical reactions by lowering the activation energy.
A. Enzymes
B. Carbohydrates
C. Lipids
D. Nucleic acids
Cell › View
What is one way in which all living things on Earth are alike?
A. All living things have hair.
B. All living things are made of cells and come from other cells.
C. The cells of all living things have chloroplast.
D. All living things can move.