Which system regulates and controls growth, development, and metabolism

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

Which organism actively hunts other