Description : The distance or length of the myofibril between two adjacent z-bands is called
Last Answer : The distance or length of the myofibril between two adjacent z-bands is called
Description : Name the two important proteins due to which striated appearance is seen in myofibril
Last Answer : Name the two important proteins due to which striated appearance is seen in myofibril
Description : The contractile unit of muscle is a part of myofibril be- tween
Last Answer : The contractile unit of muscle is a part of myofibril be- tween A. Z line and I band B. Z line and Z line C. Z line and A band D. A band and I band
Description : Myosin bridges can be prevented from combining actin by two regulator proteins in resting muscle by (a) troponin (b) myofibril (c) troponin and tropomyosin (d) natural inhibiting proteins
Last Answer : Ans:(c)
Description : The segment of a myofibril that is called a sarcomere runs from (a) one Z-line to the next Z-line (b) one A-band to the next A-band (c) one H-zone to the next H-zone (d) one end of a skeletal muscle to the opposite end
Last Answer : Ans:(a)
Description : The functional unit of contractile system in striated muscle is (a) sarcomere (b) Z-band (c) cross bridges (d) myofibril.
Last Answer : (a) sarcomere
Description : Stimulation of a muscle fibre by a motor neuron occurs at (a) the neuro-muscular junction (b) the transverse tubules (c) the myofibril (d) the sacroplasmic reticulum.
Last Answer : (a) the neuro-muscular junction