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Subject: 
Biology
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Tags: 
cellular respiration
metabolism
Nucleotides
Purinergic signalling
Purines
Adenosine triphosphate
Enzyme
Glycolysis
Glucose 6-phosphate
Pyruvate kinase
Sucrose phosphorylase

How can one increase the rate of a chemical reaction? a. Increase the activation energy needed. b. Cool the reactants. c. Decrease the concentration of the reactants. d. Add the appropriate enzyme. e. Increase the entropy of the reactants. Which of the following statements is false? a. The amount of energy in the universe is constant. b. One form of energy can be converted to other forms of energy. c. Whenever energy conversions occur, some energy is lost as heat. d. There are differences in the quality of energy. e. Entropy decreases with time.

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