Which of the following statements is true about the sliding filament theory?
A. During contraction the H zone remains the same length
B. A cross-bridge is formed by troponin and tropomysin attaching to one another
C. A nerve impulse causes an action potential to spread across the muscle
D. ATP is released around the filaments, stimulating the muscle to contract
Select your answer:
Topics:
Body Fluids Food for Thought The Cell Cycle & Cancer Pharmacology Calculations Hazards & Risks Entomology Upper Limb Musculoskeletal Diseases SCI CH2-1 T Cells Medical Microbiology Physical Activity Skin Structure, Growth & Nutrition Motor Neuron Disease The Respiratory SystemOther quiz:
Gaseous Exchange in Humans › ViewAn asthmatic patient’s bronchiole walls become ………… and thick.
A. big
B. swollen
C. soft
D. rough
Physical fitness , Wellness and Lifestyle › View
Which organisation believes that, ‘Wellness is a state of complete physical ,mental and social well-being ,and not merely the absence of disease or infirmity’ ?
A. World Health Organisation
B. National Wellness Institute
C. Central Advisory Board of Physical Education and Recreation
D. None of these