molecules of the muscle cells?

0 ⤊

molecules of the muscle cells?

what are troponin and tropomyosin molecules?

2006-11-20 12:41:38 · 2 answers · asked by petswodahs 1 in Science & Mathematics ➔ Biology

2 answers

both are regulatory proteins involved in movement of muscles. Tropomyosin reversibly converts crossbridge binding sites on actin (the contracting protein, thin filament). Troponin is bound to actin and tropomyosin and is the site of calcium binding that initiates contraction.

2006-11-21 07:24:22 · answer #1 · answered by lovealegna 2 · 0⤊ 0⤋

Properties of lipid microdomains in a muscle cell membrane visualized by single ... attains the sensitivity and speed for repeated imaging of single molocule.

2006-11-20 20:53:27 · answer #2 · answered by ashipaila 2 · 0⤊ 0⤋