SMOOTH MUSCLE CONTRACTION – IMPORTANT FACTORS & FEATURES
Q. 1
True for smooth muscle contraction is A/E
| A | Catch bridge are less cycle less ATP bridges | |
| B |
Dephosphorylation causes definite relaxation |
|
| C |
LC phosphatase is essential for binding |
|
| D |
B & C |
Q. 1
True for smooth muscle contraction is A/E
| A |
Catch bridge are less cycle less ATP bridges |
|
| B |
Dephosphorylation causes definite relaxation |
|
| C |
LC phosphatase is essential for binding |
|
| D |
B & C |
Ans.
D
A
Explanation:
B & C i.e. Dephosphorylation causes definite relaxation & LC phosphatase is essential for binding
Q. 2
The difference between skeletal an smooth muscle contraction and relaxation is/are:
| A |
Troponin (+ve) |
|
| B |
Myosin light chain kinase |
|
| C |
Ca+2 |
|
| D |
Actin |
Ans.
Explanation:
A i.e. Troponin (+ve)
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