Question

The following are required steps in the sliding filament theory of muscle contraction:

Calcium ions bind to troponin.
Tropomyosin moves.
Calcium pumps of the sarcoplasmic reticulum open.
Myosin heads bend to attach to actin filaments.

What would be the correct order of the steps above?
1, 4, 3, 2
1, 2, 3, 4
3, 1, 2, 4
3, 2, 1, 4

I picked C (3, 1, 2, 4)

Answer 1

@JoeDeWise

Answer 2

yes?

Answer 3

could you help with this?

Answer 4

yes

Answer 5

so what do you think it is?

Answer 6

http://legacy.owensboro.kctcs.edu/gcaplan/anat/Notes/API%20Notes%20J%20%20Muscle%20Contraction.htm

Answer 7

C (3, 1, 2, 4)

Answer 8

same here. thanks.

Answer 9

yep