Why are calcium ions necessary for skeletal muscle contraction?
A. Calcium ions cause ATP binding to actin.
B. Calcium ions release the inhibition on Z discs.
C. Calcium ions trigger the binding of myosin heads to actin filaments.
D. Calcium ions increase the speed of the action potential transmitted along the sarcolemma.
Select your answer:
Topics:
Carbohydrates and Proteins The Musculoskeletal System Vision (AP Psych) Bones AEMT EMS Systems Medical Suffixes PHYSIOLOGY OF KIDNEY Neurological Disorders Dimensions of Wellness Muscle Histology Cell Circulatory System Breathing System Environment Health and The EnvironmentOther quiz:
Gene Expression › ViewThe complete instructions for making an organism, consisting of all the genetic material in that organism’s chromosomes.
A. genome
B. epigenome
C. genetic markers
D. RNA codon
Immunity & Cancer › View
The role of an active immune system is that :
A. It recruits many cells to the affected tissue to kill the disease-causing microbes
B. It leads to swelling and pain
C. It causes fever
D. It interferes with the functioning of body systems