BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 5, Problem 5SA
________ are always changed by participating in a reaction.
| a. Enzymes | c. Reactants |
| b. Cofactors | d. Coenzymes |
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Which of the following choices BEST describes metabolism?
a. breakdown of biomolecules
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c. all of the choices are correct
d. synthesis of biomolecules
Which of these statements about enzymes is true? a,Most proteins are enzymes. b.Most enzymes are proteins. c.Enzymes are changed by the reactions they catalyze. d.The active sites of enzymes have little specificity for substrates.
Which of the following is not true about enzymes: a. They increase ΔG of reactions. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.
Chapter 5 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - ________ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - A molecule that donates electrons becomes...
Ch. 5 - Solutes tend to diffuse from a region where they...Ch. 5 - Prob. 12SACh. 5 - A transport protein requires ATP to pump sodium...Ch. 5 - Immerse a human blood cell in a hypotonic...Ch. 5 - Prob. 15SACh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms of entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary enzyme...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which statement is true regarding the function of a catalyst in a chemical reaction? a) A catalyst increases the rate of a reaction. b) A catalyst provides an alternate mechanism for the reaction. c) A catalyst is not consumed by the reaction. d) All of the above are true.arrow_forwardEnzymes catalyze a chemical reaction by A. decreasing the amount of ATP required to activate a reaction B. increasing the amount of ATP required to activate a reaction C. slowing down the reaction to obtain more products D. increasing the reaction to obtain more products E. decreasing the amount of ATP required and obtaining more products.arrow_forwardSubstance A is converted to substance B in a metabolic reaction. Which statement best describes the role of enzyme during this reaction? A. It dissolves substance A in the reaction medium. B. It speeds up the reaction without it being consumed in the process. C. It provides energy to the reaction system D. It adjusts the pH of the reaction medium.arrow_forward
- When an enzymatic reaction is in progress, do you expect to see happen to the amount of product? A It will increase as the reaction proceeds. B It will decrease as the reaction proceeds. C The amount will not change as reaction proceeds. D It is not possible to predict what will happen to it as the reaction proceeds.arrow_forwardWhen an enzymatic reaction is in progress, do you expect to see happen to the amount of substrate? A It will increase as the reaction proceeds. B It will decrease as the reaction proceeds. C The amount will not change as reaction proceeds. D It is not possible to predict what will happen to it as the reaction proceeds.arrow_forwardWhich of the following statement regarding enzymes is false? a.) they speed up reaction rates b.) they work within narrow temperature and pH ranges c.) The active site binds the substarate d.) They are consumed in the reactions they catalyzearrow_forward
- Which of the following is NOT true of enzymes? a) They may interact chemically with their substrates b) They may catalyze a reaction in both forward and reverse directions. c) They may alter Keq for the reaction that they catalyze. d) They may decrease the entropy of their substrates.arrow_forwardWhat kind of reaction does each of these enzymes catalyze?(a) A dehydrase(b) A carboxylase(c) A proteasearrow_forwardWhich About Metabolism Is True A) Spontaneous Reactions Require Enzymes B)Non-Spontaneous Reactions Will Never Occur C)Endergonic Reactions Are Spontaneuos D)Catabollic Reactions Conume Energy To Build A Moleculearrow_forward
- What law of chemistry determines how much energy can be transferred when it is converted from one form to another? a. the first law of thermodynamics b. the second law of thermodynamics c. the conservation of matter d. the conservation of energyarrow_forwardGamma rays and X-rays are effective in killing microorganisms because they: a. damage DNA b. dislodge electrons from atoms, creating ions c. none of these d. produce powerful oxidizing agents (peroxides)arrow_forwardThe following statement can be said about enzymes: A. lowers activation energy of reactions B. regulates chemical activities in the body C. 3D shape is essential for normal function D. all of these E. B and C onlyarrow_forward
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