Which of these is a flap that shuts off the passage to the trachea and lungs?

Why has two different alleles for the same trait?

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 process forms a large molecule from repeating subunit molecules? *