(B) Step $A$: Attachment of myosin head to actin forming a cross-bridge.Step $B$: Release of phosphate. Myosin changes shape to pull actin.Step $C$: A

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Release of phosphate. Myosin changes shape to pull actin.

(B) Step $A$: Attachment of myosin head to actin forming a cross-bridge.Step $B$: Release of phosphate. Myosin changes shape to pull actin.Step $C$: Attachment of new $ATP$ to myosin head. The cross-bridge detaches.Step $D$: Splitting of $ATP$ into $ADP$ and $\Pi$. Myosin cocks into its high-energy conformation.

Class 11 Biology Locomotion and Movement Muscles

Easy

The given figure represents the cross-bridge cycle in skeletal muscle. What does step $B$ in the figure represent?

AIIMS 2017 All AIIMS

A
Attachment of myosin head to actin forming a cross-bridge.
B
Release of phosphate. Myosin changes shape to pull actin.
C
Attachment of new $ATP$ to myosin head. The cross-bridge detaches.
D
Splitting of $ATP$ into $ADP$ and $\Pi$. Myosin cocks into its high-energy conformation.