Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 8, Problem 13TYK
Penicillin binds to the active site of an enzyme that is involved in the synthesis of bacterial cell wall materials. The antibiotic action of penicillin is thus a result of
- a. competitive inhibition.
- b. allosteric inhibition.
- c. negative feedback.
- d. noncompetitive inhibition.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What is it called when the final product of an enzymatic pathway acts as a modulator for the first enzyme in the pathway?
a. isoenzyme activation
b. relative specificity
c. feed back inhibition
d. competitive inhibition
Which of the following statements about non-competitive inhibitors is true?
A) They bind at the active site of the enzyme and block access to the substrate.
B) They bind at a location away from the active site.
C) They function by changing the shape of the enzyme's active site.
D) B and C
One difference between synport and antiport is that
A. only antiport requires energy.
B. only synport is reversible.
C. only in antiport do two substrates move in opposite directions to each other.
D. only synport is a cotransport system.
Chapter 8 Solutions
Biology - Study Guide
Ch. 8 - Complete the following concept map that summarizes...Ch. 8 - Complete the following table to indicate how the...Ch. 8 - Develop a concept map on free energy and G. The...Ch. 8 - Prob. 4IQCh. 8 - Prob. 5IQCh. 8 - In the following graph of an exergonic reaction...Ch. 8 - In the following diagram of a catalytic cycle,...Ch. 8 - Return to the diagram in Interactive Question 3.7,...Ch. 8 - Both ATP and ADP serve as regulators of enzyme...Ch. 8 - What is the relationship between the concept of...
Ch. 8 - What role do enzymes play in metabolism?Ch. 8 - ________ the totality of an organisms chemical...Ch. 8 - _______ pathways that use energy to synthesize...Ch. 8 - Prob. 3TYKFCh. 8 - _______ the most random form of energyCh. 8 - _______ term for the measure of disorder or...Ch. 8 - Prob. 6TYKFCh. 8 - _______ inhibitors that decrease an enzymes...Ch. 8 - Prob. 8TYKFCh. 8 - Prob. 9TYKFCh. 8 - Prob. 10TYKFCh. 8 - Catabolic and anabolic pathways are often coupled...Ch. 8 - Which statement most closely reflects the first...Ch. 8 - When a cell breaks down glucose, only about 34% of...Ch. 8 - Prob. 4TYKCh. 8 - Prob. 5TYKCh. 8 - Prob. 6TYKCh. 8 - One way in which a cell maintains metabolic...Ch. 8 - Prob. 8TYKCh. 8 - Prob. 9TYKCh. 8 - What is meant by an induced fit? a. The binding of...Ch. 8 - In an experiment, changing the pH from 7 to 6...Ch. 8 - Prob. 12TYKCh. 8 - Penicillin binds to the active site of an enzyme...Ch. 8 - Prob. 14TYKCh. 8 - Prob. 15TYKCh. 8 - Which line in the diagram indicates the G of the...Ch. 8 - Prob. 17TYKCh. 8 - Prob. 18TYKCh. 8 - Prob. 19TYKCh. 8 - Prob. 20TYK
Knowledge Booster
Learn more about
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
- An inhibitor that reversibly binds to a site other than the enzyme's active site is called a(n) a. noncompetitive inhibitor b. competitive inhibitor c. antagonisitc inhibitor d. antibioticarrow_forwardWhat is the effect of an inhibitor binding an enzyme? a. The enzyme is degraded. b. The enzyme is activated. c. The enzyme is inactivated. d. The complex is transported out of the cell.arrow_forward________ is a regulatory mechanism in which the end product of a metabolic pathway inhibits an enzyme that catalyzes an early step in the pathway. a. Cooperative inhibition b. Feedback inhibition c. Allosteric inhibition d. Non-competitive inhibition e. Metabolic inhibitionarrow_forward
- Use the photo below to measure the diameter of each antibiotic (all 3) and record the name and measure the diameter of the zone of inhibition. AFTER, answer these questions: 1.What antiblotic is most effective against the bacteria? 2. What antibiotic is least effective against the bacteria? 3. What causes the zone of inhibition to form? 4. If you get no zone of inhibition what can you concludearrow_forwardIn the regulation of enzymes, which of the following represents a regulation process in which different forms of the same enzyme (which differ in amino acid sequence) controls the activity of the enzyme. a Protein modification b Allosterism c Feedback control d Isoenzymesarrow_forwardSome bacteria are metabolically active in hot springs because(A) they are able to maintain a lower internal temperature.(B) high temperatures make catalysis unnecessary.(C) their enzymes have high optimal temperatures.(D) their enzymes are completely insensitive to temperature.arrow_forward
- Why are nucleotide or nucleoside analogs effective as drugs? a) act as competitive inhibitor b) mimic functions of DNA or RNA components c) targets the cell wallarrow_forwardHow does fluoroquinolone antibiotic drug treat infections? a. Blocking folic acid synthesis b. Blocking protein synthesis c. Inhibiting nucleic acid synthesis d. Weakening bacterial cell wallarrow_forwardAn allosteric inhibitor does which of the following? a. Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding. b. Binds to the active site and blocks it from binding substrate. c. Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate. d. Binds directly to the active site and mimics the substrate.arrow_forward
- Some bacteria have the ability to “fix” nitrogen. This means a. they convert ammonia into nitrites and nitrates. b. they convert atmospheric nitrogen gas into biologically useful forms of nitrogen. c. they break down nitrogen-rich compounds and release ammonium ions. d. they convert nitrate into nitrogen gas.arrow_forwardThe probabiliy of a particular reaction occurring in a cell can be increased by A) having reactants contained within an organelle B) having reactants contained within an organelle with the necessary enzymes C) having low concentrations of the reactants D) having reactants with enthalphy with high enthalpy product(s)arrow_forwardWhat is the role of protein kinase? A. To remove a phosphate group from ATP to transfer it to a substrate B. To add a phosphate group to ADP to make ATP for substrate activity C. To add a phosphate group directly to the substrate D. None of thesearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
USMLE-Rx Antimicrobial Therapy; Author: USMLE-Rx;https://www.youtube.com/watch?v=Pka1Ynlrqtw;License: Standard Youtube License