★ Anatomy and Histology Quiz
What is the main function of the TRIAD tubular system in muscle contraction?
A. Interaction between actin and myosin filaments
B. Motor end plate
C. Nerve stimulus
D. Sarcolemma depolarized
Select your answer:
Topics:
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Muscle Tissue › ViewWhat binds to the troponin?
A. H+
B. O2−
C. Ca2+
D. Cl−
Adaptive Immune System › View
An antibody is:
A. A tertiary structure with 4 proteins, including a constant and variable region
B. A quaternary structure with 2 proteins, including a constant and variable region
C. A quaternary structure with 4 proteins, including 2 heavy chains and 2 light chains
D. A tertiary structure with 4 proteins, including 2 heavy chains and 2 light chains