Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN: 9781305117396
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 4, Problem 3FIO
Summary Introduction
To determine: Whether the pathway is a cyclic or a linear.
Introduction: Metabolic pathways are defined as a series of enzymatic reactions in which the rearranging, breaking down, and building of organic substances take place in a stepwise manner. The metabolic pathways may be cyclic or linear. In linear pathways, the reactions occur straight from a reactant or substrate to a product. In the cyclic pathway, the reactant of the first step is regenerated in the last step.
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The substrate concentration at which an enzyme-catalyzed reaction proceeds at on-half its maximum velocity
The rate enhancement of the enzyme catalyzed reaction over uncatalyzed reaction
The rate of the reaction when the concentration of the products is zero and the reverse rate is negligible
The rate at which the enzyme-substrate complex is formed
The number of time an enzyme molecule transforms a substrate molecule per unit of time
The proportionality constant that relates the velocity of a chemical reaction to the concentrations of the reactants
The maximum velocity of an enzymatic reaction when the binding site is saturate with substrate
A measure of the catalytic activity of an enzyme at low concentrations of substrate
The rate constant for the equilibrium between the reactants and the enzyme-substrate complex
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Chapter 4 Solutions
Biology Today and Tomorrow without Physiology (MindTap Course List)
Ch. 4 - Figure 4.5 Energy inputs and outputs in chemical...Ch. 4 - Figure 4.10 Enzymes, temperature, and pH. Each...Ch. 4 - Prob. 3FIOCh. 4 - Prob. 4FIOCh. 4 - The genus Ferroplasma consists of a few species of...Ch. 4 - Prob. 2DIDCh. 4 - Prob. 3DIDCh. 4 - Prob. 1SQCh. 4 - Prob. 2SQCh. 4 - Prob. 3SQ
Ch. 4 - Prob. 4SQCh. 4 - Prob. 5SQCh. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Prob. 8SQCh. 4 - Ions or molecules tend to diffuse from a region...Ch. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - A transport protein requires ATP to pump sodium...Ch. 4 - Prob. 14SQCh. 4 - Prob. 15SQCh. 4 - Prob. 1CTCh. 4 - Water molecules tend to diffuse in response to...Ch. 4 - Dixie Bee wanted to make JELL-O shots for her next...Ch. 4 - The enzyme trypsin is sold as a dietary enzyme...Ch. 4 - Prob. 5CT
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- an enzyme acts on a substrate X. The enzyme exists in four different forms, with different catalytic efficiencies. The table shows the kcatand KM values for each form of the enzyme. If the concentration of substrate X in a solution is 5 µM, which of the four forms of the enzyme is the most efficient? Form of Enzyme kcat (s-1) KM (µM) A 50 10 B 50 1 C 100 4 D 1000 100 a. Form A b. Form B c. Form D d. Form Carrow_forwardA very special property of enzymes is Feedback inhibition. What is feedback inhibition? Draw a hypothetical cyclic pathway where in there are 7 reactions to show feedback inhibition.arrow_forwardA) Myth: Enzymes are specific for one substrate. Fact: Like most enzymes, alliinase can act on multiple different substrates. Explain why most enzymes can act on more than one substrate compound. (Refer to the “Alliin-like Substrates" panel in your answer.)arrow_forward
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- Select all that apply. Which of the following are not properties of enzymes? not required to sustain the life of an organism sensitive to pH and temperature of their environment able to interact with all compounds or substrates large proteins with a special surface patternarrow_forwardCompetitive inhibitors bind to the active site of the enzyme. None of the answers listed are correct. bind with substrate molecules. change the shape of the enzyme by binding at the allosteric site. O act like the active site and take substrates away from the enzyme.arrow_forwardon the activity of an enzyme can usually be overcome by increasing the concentration of substrate(s). Choose the best answer a competitive inhibitor the phosphorylation of the R groups of serine (S), threonine (T) and tyrosine (Y) a noncompetitive inhibitor an allosteric effector The effect of O 2 3 $ 4 G Search or type URL 67 dº % 5 MacBook Pro 6 7 * CO 8 -o .. Earrow_forward
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