What is used as the first source of energy in the muscle fibres to sustain muscle contraction?
A
Anaerobic respiration
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Aerobic respiration
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Creatine phosphate
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Sodium phosphate
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C Creatine phosphate Creatine phosphate acts as the first source of phosphate group during muscle contraction. Creatine phosphate is converted into creatinine and high energy phosphate groups by creatine kinase enzymes. The high energy phosphate group binds with ADP molecules released from myosin head.