HardZoologyLocomotion & Movements
+4 / -1
What triggers the contraction of a muscle?
A
Release of Calcium ions from Sarcoplasmic reticulum
B
Release of Sodium ions from Sarcoplasmic reticulum
C
Binding of ATP to actin
D
Relaxation of Troponin
Explanation
An action potential causes the release of Ca2+ into the sarcoplasm, which binds to troponin, removing the masking of active sites on actin.
Previous
The globular head of Myosin contains:
NextThe junction between a motor neuron and the sarcolemma of the muscle fiber is ca
More from Locomotion & Movements
Medium
Inflammation of joints due to accumulation of uric acid crystals is:
MediumAn age-related disorder characterized by decreased bone mass and increased chances of fractures is:
MediumProgressive degeneration of skeletal muscles is called:
HardWhich of the following statement is not concerned with Myasthenia gravis?
HardWhich of the following is an imperfectly developed ball and socket joint?
HardMatch the following: a) Saddle joint - 1. Between humerus and pectoral girdle b) Ball & socket joint
Practice Zoology Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams