active sites on the actin become available for binding when?

0 ⤊

actin binds to troponin
troponin binds to trpomyosin
calcium binds to tropnin
calcium binds to tropomysoin

2006-12-15 07:10:47 · 2 answers · asked by Tom K 1 in Science & Mathematics ➔ Botany

c is correct

2006-12-19 07:01:27 · answer #1 · answered by Anonymous · 0⤊ 0⤋

it's calcium binds to tropomyosin and exposes to the active sits where mysosin can bind to that actin's binding site for muscle contraction.

2006-12-15 23:06:20 · answer #2 · answered by Dr. Zoo 3 · 0⤊ 0⤋