t is transported to specific organs such as the brain. 25. When ATP releases som
ID: 256137 • Letter: T
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t is transported to specific organs such as the brain. 25. When ATP releases some energy, it also ed 30. If an enzyme solution is satura substrato, the most effective wa faster yield of product is to: releases inorganic phosphate. What purpose does this serve (of any) to the cell? a. Add more of the enzyme b. Heat the solution c. Add more substrate d. Add an allosteric inhibitor a. It is released as excreatory b. It waste can only be used to regertate more ATP It can be added to water and excreted as liquid It can be added to other molecules in order to activate them. 31. What is the purpose of cellular respirationl c. a. To get 02 into our bodies and to get co2 out of our bodies To use the energy of sunlight to synthesize sugars d. b. c. To make ATP to power cellular activities d. To hydrolyze ATP 26. How can one increase the rate of a chemical reaction Increase the activation energy needed Cool the reactants Decrease the concentration of the reactants a. b. 32. In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct a. c. b. d. Add a catalyst c. e. Increase the entropy of the reactants 27. Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction; a. Entropy b. Activation energy C. Endothermic level d. Heat content e. Free-energy content d. 33. ATP production during glycolysis; a. requires an enzyme b. occurs in the cytosol c. occurs via substrate-level phosphorylation all of the above d. 34. The reactions of the Krebs cycle occur in the: 28. The active site of an enzyme is the region thatExplanation / Answer
25. d. It can be added to other molecules in order to activate them.
The phosphate can be used to phosphorylate an intermediate reactant making it more active.
26. d. Add a catalyst.
A catalyst lowers the activation energy increasing the rate of reaction.
27. b. Activation energy
It is the energy required by the reactants to start a reaction between them.
30. a. Add more of the enzyme.
when we add more enzyme, the more free enzyme will be available to bind with the reactants.
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