Chapter 8, Problem 1
Choose the pair of terms that correctly completes this sentence: Catabolism is to anabolism as is to . a. exergonic; spontaneous b. exergonic; endergonic c. free energy; entropy d. work; energy
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Most cells cannot harness heat to perform work because a. heat does not involve a transfer of energy. b. cells do not have much thermal energy; they are relatively cool. c. temperature is usually uniform throughout a cell. d. heat can never be used to do work.
Which of the following metabolic processes can occur without a net influx of energy from some other process? a. ⓅADP+Ⓟi→ATP+H2O b. C6H12O6+6 O2→6 CO2+6 H2O c. 6 CO2+6 H2O→C6H12O6+6 O2 d. Amino acids → Protein
If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to a. add more of the enzyme. b. heat the solution to 90°C. c. add more substrate. d. add a noncompetitive inhibitor.