if a substance has a melting point of -157 degrees Celsius and a boiling point of -25 degrees Celsius, what state of matter will it be in at room temperature (21 degrees C)?

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