If a muscle fiber were to suddenly and permanently stop producing ATP the fiber would no longer be able to actively transport calcium out of the cytoplasm (sarcoplasm) and the intracellular calcium concentration would rise.Which of the following would you expect to happen?
A) The fiber would twitch uncontrollably due to excessive calcium bound to troponin.
B) Myosin would be able to bind to the exposed binding sites on thin filaments but it would not be able to detach.
C) Calcium would be transported to the sarcoplasmic reticulum therefore contractions would cease.
D) No change would occur in a muscle that was relaxed to begin with.
Correct Answer:
Verified
Q82: Describe the anatomical parts of the muscle
Q84: Define muscle fatigue.
Q96: Which cells help repair injured skeletal muscle
Q97: Briefly explain the sources of energy for
Q97: A myosin molecule in the thick filaments
Q98: Hypothetically,if a muscle were stretched to the
Q99: After nervous stimulation stops,what prevents ACh in
Q100: Muscle tone is _.
A) the condition of
Q105: The 100 meter dash is a quick
Q107: Only _ muscle cells commonly branch.
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents