Calsequestrin in cardiac muscle:
A) Acts as a high-affinity Ca++ buffer in the cytosol.
B) Acts as a low-affinity Ca++ buffer in the SR lumen,near the ryanodine receptor.
C) Promotes Ca++ accumulation by the mitochondria.
D) Increases the Ca++ affinity of the sarcolemmal Ca++ pump.
E) Facilitates myosin binding to the actin thin filament.
Correct Answer:
Verified
Q1: Cardiac muscle cells in the atria are
Q3: Relaxation of cardiac muscle typically requires:
A)Myosin light-chain
Q4: Epinephrine increases the force of contraction of
Q5: The force of contraction of cardiac muscle
Q6: Contraction of cardiac muscle typically requires:
A)Ca++ influx
Q7: Mutations in the cardiac ryanodine receptor have
Q8: Stretching cardiac muscle results in an increase
Q9: The mechanisms underlying the development of cardiac
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