FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
10th Edition
ISBN: 9781323431122
Author: Martini
Publisher: PEARSON C
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Textbook Question
Chapter 2, Problem 31RQ
A certain reaction pathway consists of four steps. How would decreasing the amount of enzyme that catalyzes the second step affect the amount of product produced at the end of the pathway?
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An inactive form of an enzyme becomes active after being phosphorylated.
When glucose is converted to glucose-6-phosphate by hexokinase, the accumulation of glucose-6-phosphate inhibits the reaction.
A foreign substance is added to the reaction above. This substance binds to hexokinase and prevents its ability to catalyze the reaction.
which of the following is a primary function of the active site of an enzyme?
Two substrates (A and B) are used to produce a certain biological product in an enzyme- catalyzed
reaction. It is found that both substrates must bind to the enzyme, first Substrate A, then Substrate
B before the product is produced.
What kind of kinetic mechanism is described?
Linear Reaction
Ordered Sequential Reaction
Random Sequential Reaction
Ping Pong Reaction
Chapter 2 Solutions
FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
Ch. 2 - Define atom.Ch. 2 - Atoms of the same element that have different...Ch. 2 - How is it possible for two samples of hydrogen to...Ch. 2 - Prob. 4CPCh. 2 - Prob. 5CPCh. 2 - Both oxygen and neon are gases at room temperature...Ch. 2 - Prob. 7CPCh. 2 - Prob. 8CPCh. 2 - Prob. 9CPCh. 2 - Prob. 10CP
Ch. 2 - What is an enzyme?Ch. 2 - Prob. 12CPCh. 2 - Prob. 13CPCh. 2 - Explain how the chemical properties of water make...Ch. 2 - Define pH, and explain how the pH scale relates to...Ch. 2 - What is the significance of pH in physiological...Ch. 2 - Define the following terms: acid, base, and salt.Ch. 2 - Prob. 18CPCh. 2 - Prob. 19CPCh. 2 - Describe lipids.Ch. 2 - Prob. 21CPCh. 2 - Prob. 22CPCh. 2 - Prob. 23CPCh. 2 - Describe a nucleic acid.Ch. 2 - Prob. 25CPCh. 2 - Describe ATP.Ch. 2 - What molecule is produced by the phosphorylation...Ch. 2 - 28. Identify the biochemical building blocks...Ch. 2 - 29. Define metabolic turnover.
Ch. 2 - An oxygen atom has eight protons (a) Sketch in the...Ch. 2 - What is the following type of decomposition...Ch. 2 - The subatomic particle with the least mass (a)...Ch. 2 - Isotopes of an element differ from each other in...Ch. 2 - The number and arrangement of electrons in an...Ch. 2 - All organic compounds in the human body contain...Ch. 2 - A substance containing atoms of different elements...Ch. 2 - All the chemical reactions that occur in the human...Ch. 2 - Which of the following chemical equations...Ch. 2 - Prob. 10RQCh. 2 - A pH of 7.8 in the human body typifies a condition...Ch. 2 - A(n) _____ is a solute that dissociates to release...Ch. 2 - Special catalytic molecules called _____ speed up...Ch. 2 - Which of the following is not a function of a...Ch. 2 - Complementary base pairing in DNA includes the...Ch. 2 - What are the three subatomic panicles in atoms?Ch. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - List seven major functions performed by proteins.Ch. 2 - (a) What three basic components make up a...Ch. 2 - What three components are required to create the...Ch. 2 - If a polypeptide contains 10 peptide bonds, how...Ch. 2 - Prob. 23RQCh. 2 - Prob. 24RQCh. 2 - What is a salt? How does a salt differ from an...Ch. 2 - Prob. 26RQCh. 2 - In an exergonic reaction, (a) large molecules are...Ch. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - An atom of the element calcium has 20 protons and...Ch. 2 - A certain reaction pathway consists of four steps....Ch. 2 - Prob. 32RQCh. 2 - Prob. 1CCCh. 2 - Prob. 2CC
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- What does it mean to say that an enzyme- catalyzed reaction is either enzyme limited or substrate -limited?arrow_forwardDefine the following as they apply to an enzymatic reaction. Give an example of each. a. Enzyme-limited: b. Substrate-limited:arrow_forwardThe figure displays the relationship between initial rate of product formation and reactant concentration in an enzyme-catalyzed reaction with a fixed amount of enzyme. Which of the following statements best explains the shape of the rate curve at high reactant concentration?arrow_forward
- Why is an enzyme highly specific for the type of reaction it will promote?arrow_forwardCatalysis involves overcoming the activation energy barrier of a reaction. What are three ways by which enzymes can do this?arrow_forwardList three ways to alter the rate of an enzyme-mediated reaction.arrow_forward
- What is the mechanism that controls the rate of a reaction catalyzed by an enzyme?arrow_forwardDiscuss an enzyme that acts as a catalyst in a biological system. What reaction(s) does it catalyze? What kinds of problems arise if the enzyme isn't working properly? In what ways is the enzyme's activity regulated? Other interesting facts about the enzyme? Don't forget to cite your source(s).arrow_forwardDescribe the reactants and products of the following enzyme catalyzed reaction. Names of molecules are sufficient.arrow_forward
- Which of the following statements is false regarding an enzyme's ability to catalyse a reaction? an enzyme provides a reaction surface and a hydrophilic environment for the reaction to take place an enzyme binds reactants such that they are positioned correctly and can attain their transition-state configurations an enzyme allows the reaction to go through a more stable transition state than would normally be the case an enzyme can weaken bonds in reactants through the binding processarrow_forwardcreate a single illustration that will interrelate or link the two opposing pathways, the Glycogenesis and Glycogenolysis. I want you to include the enzyme in each step and include some important by-products as well. From the illustration, I want you to encircle the intermediate molecule to highlight the link between the two processes. Aside from the illustration, I want you to compare and contrast the two pathways in terms of function, number of reaction steps, and usage of UTP. You can tabulate this part to make it simpler.arrow_forwardA competitive inhibitor diminishes the rate of catalysis: A) By reducing the proportion of enzyme molecules bound to a substrate. OB) By altering the shape of the active site of the enzyme C) By binding to a regulatory subunit D) By enhancing the interaction between enzyme and reaction productarrow_forward
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