#1
Which molecule is responsible for storing and providing energy in muscle cells?
1 answered
#2
What is the term for the increase in muscle size resulting from resistance training and an increase in the size of individual muscle fibers?
1 answered
#3
What is the term for the minimal stimulus required to elicit a muscle contraction?
1 answered
#4
What is the term for the muscle's ability to return to its original length and shape after contraction or extension?
1 answered
#5
What is the term for the brief contraction of all muscle fibers in a motor unit in response to a single action potential?
1 answered
#6
What is the primary function of the sarcoplasmic reticulum in muscle cells?
1 answered
#7
Which neurotransmitter is released at the neuromuscular junction to initiate muscle contraction?
1 answered
#8
What is the role of tropomyosin in muscle contraction?
1 answered
#9
Which type of muscle fibers are fatigue-resistant and primarily use oxidative metabolism for energy production?
1 answered
#10
Which enzyme breaks down acetylcholine to terminate its action at the neuromuscular junction?
1 answered
#11
What is the term for the contractile unit of a muscle fiber, consisting of overlapping actin and myosin filaments?
1 answered
#12
During which phase of muscle contraction do the actin and myosin filaments slide past each other, causing the muscle to shorten?
1 answered
#13
What is the phenomenon where a muscle contracts with increasing force in response to repeated stimulation at a constant intensity?
1 answered
#14
Which ion directly binds to troponin, leading to the exposure of myosin-binding sites on actin during muscle contraction?
1 answered
#15
In which phase of muscle contraction does the muscle generate force without changing its length?
1 answered