Skeletal Muscle Flashcards
1
Q
I Band
A
Actin
2
Q
Binding sites for myosin
A
F Actin
3
Q
Covers the myosin binding sites
A
Tropomyosin
4
Q
When bound to calcium causes a conformational change that forces tropomyosin into the groove and allows cross bridge formation
A
Troponin
5
Q
Binds to actin
A
Troponin I
6
Q
At the end of tropomyosin
A
Troponin T
7
Q
Binds calcium
A
Troponin C
8
Q
A Band
A
Length of myosin
9
Q
H Zone
A
Myosin only
10
Q
Myosin tail
A
2 heavy chains
11
Q
Myosin head
A
4 light chains contains the ATPase activity
12
Q
Adjacent to the actin filaments and attaches to the Z line
A
Nebulin
13
Q
What is nebulin adjacent to?
A
The actin filaments
14
Q
What does nebulin attach to?
A
Z line