The total amount of muscle contraction depends on the…….
a) no of sensory nerves
b) calcium ions
c) no. of motor units
d) no. of ATP
If many neurons carry impulse at once, ……. motor units within the muscle contract.
a) less
b) many
c) average
d) motor units are independent of neuron
Muscle contraction needs……
a) heat
b) energy
c) water
d) none of these
Explanation: energy in the form of ATP
Which of the following is the immediate energy for the muscle contraction?
a) GTP
b) ATP
c) CTP
d) all of these
Explanation: ATP is stored in the muscle cells
Which of the following enzyme breaks ATP to ADP, thus releasing energy for muscle contraction?
a) aminoreductase
b) ATPase
c) lipases
From where much of the energy comes for muscle conraction?
a) carbohydrates
b) proteins
c) lipids
d) vitamins
Explanation: carbohydrate is stored in the form of glycogen
