CUSTOM BIOLOGY
CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
bartleby

Concept explainers

bartleby

Videos

Question
Book Icon
Chapter 50.5, Problem 3CC
Summary Introduction

To differentiate: In the activity of troponin and tropomyosin in the contraction of muscles with the competitive inhibitor activity in the enzyme action.

Concept introduction: The contraction of muscle cells rely on the interactions between the thick and the thin filaments. The thick filaments are called as the myosin molecules, whereas the thin filaments are called as the actin filaments. The contraction of muscles is the result of filaments motion that is powered by a chemical energy.

The troponin complex and the tropomyosin are the regulatory proteins involved in the contraction of muscles. Competitive inhibition is a type of enzyme inhibition, where an inhibitor binds to the target molecule and prevents the binding of substrate to the enzyme.

Blurred answer
Students have asked these similar questions
Skeletal muscle myosin heavy chain is a mechanoenzyme that requires ATP for its function. Other enzymes, such as phosphofructokinase-2, also rely on ATP. How are PFK-2 and myosin Il different in their use of ATP? • View Available Hint(s) Both enzymes use ATP in the exact same way. PFK-2 functions as a kinase, whereas myosin functions as a phosphatase. PFK-2 catalyzes ATP hydrolysis, whereas myosin does not. Myosin catalyzes ATP hydrolysis, whereas PFK-2 does not. PFK-2 binds to ATP or ADP + Pj, whereas myosin undergoes covalent modification via phosphorylation. Submit
If you were able to control fatigue in the muscle cell experimentally such that you only exposed the muscle to high levels of Pi and no other metabolites, what would you observe? A decline in force without much change in velocity A decline in velocity without much change in force A muscle operating below Lo A decline in both force and velocity An increased affinity of Ca2+ for troponin
Reflect back on the Muscle Fatigue investigation we did earlier in this Activity. Choose one of your classmate’s interpretation to one of these questions: What happened to your energy & ability to pinch the clothespin as you progressed through each trial? Why?  What might cause one to be able to get more squeezes, in other words, to have less fatigue? Explain in terms of biological concepts. Suggest how the amount of ATP produced cause your muscle cells to be less efficient. When did this change in the amount of ATP produced occur in this investigation? How could you tell? Your muscles would probably recover enough after 10 minutes to operate at the original efficiency. Explain why.  Show how specific details from the steps of cellular respiration add details to answer this question.
Knowledge Booster
Background pattern image
Biology
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
SEE MORE QUESTIONS
Recommended textbooks for you
  • Text book image
    Anatomy & Physiology
    Biology
    ISBN:9781938168130
    Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
    Publisher:OpenStax College
    Text book image
    Biochemistry
    Biochemistry
    ISBN:9781305577206
    Author:Reginald H. Garrett, Charles M. Grisham
    Publisher:Cengage Learning
    Text book image
    Human Physiology: From Cells to Systems (MindTap ...
    Biology
    ISBN:9781285866932
    Author:Lauralee Sherwood
    Publisher:Cengage Learning
  • Text book image
    Biology (MindTap Course List)
    Biology
    ISBN:9781337392938
    Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
    Publisher:Cengage Learning
Text book image
Anatomy & Physiology
Biology
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:OpenStax College
Text book image
Biochemistry
Biochemistry
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Cengage Learning
Text book image
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Text book image
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY